Android之图片窗口和大小调节

结构图：

基类：

package ch.halcyon.squareprogressbar.example;

import android.app.Activity;

import android.app.FragmentManager;

import android.content.Context;

import android.content.Intent;

import android.content.res.Configuration;

import android.net.Uri;

import android.os.Bundle;

import android.support.v4.app.ActionBarDrawerToggle;

import android.support.v4.view.GravityCompat;

import android.support.v4.widget.DrawerLayout;

import android.text.Html;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.AdapterView;

import android.widget.BaseAdapter;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

import java.util.ArrayList;

import ch.halcyon.squareprogressbar.example.dialogs.CustomColourDialog;

import ch.halcyon.squareprogressbar.example.dialogs.PercentDialog;

import ch.halcyon.squareprogressbar.utils.ColourUtil;

public class MainActivity extends Activity {

    private DrawerLayout drawerLayout;

    private ListView drawerListView;

    private ActionBarDrawerToggle drawerToggle;

    private CharSequence drawerTitle;

    private CharSequence title;

    public static String[] partTitle, descriptions;

    private SquareFragment squareFragment;

    private int lastPosition;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        FragmentManager fragmentManager = getFragmentManager();

        squareFragment = new SquareFragment();

        fragmentManager.beginTransaction()

                .replace(ch.halcyon.squareprogressbar.example.R.id.content_frame, squareFragment).commit();

        setContentView(ch.halcyon.squareprogressbar.example.R.layout.activity_main);

        title = drawerTitle = getTitle();

        partTitle = getResources().getStringArray(ch.halcyon.squareprogressbar.example.R.array.drawer_titel);

        descriptions = getResources().getStringArray(

                ch.halcyon.squareprogressbar.example.R.array.drawer_descriptions);

        drawerLayout = (DrawerLayout) findViewById(ch.halcyon.squareprogressbar.example.R.id.drawer_layout);

        drawerListView = (ListView) findViewById(ch.halcyon.squareprogressbar.example.R.id.left_drawer);

        drawerLayout.setDrawerShadow(ch.halcyon.squareprogressbar.example.R.drawable.drawer_shadow,

                GravityCompat.START);

        BaseAdapter adapter = new BaseAdapter() {

            //获得视图

            @Override

            public View getView(final int position, View convertView,

                                ViewGroup parent) {

                View item = convertView;

                //首项

                View headerItem = LayoutInflater.from(getApplicationContext())

                        .inflate(ch.halcyon.squareprogressbar.example.R.layout.lv_header_layout, parent, false);

                TextView title = (TextView) headerItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.lv_list_hdr);

                //自定义项目

                View styleItem = LayoutInflater.from(getApplicationContext())

                        .inflate(ch.halcyon.squareprogressbar.example.R.layout.lv_style, parent, false);

                CheckBox box = (CheckBox) styleItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.checkBox1);

                View styleBoxItem = LayoutInflater

                        .from(getApplicationContext()).inflate(

                                ch.halcyon.squareprogressbar.example.R.layout.lv_style_box, parent, false);

                final CheckBox styleBox = (CheckBox) styleBoxItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.checkBox11);

                ImageView styleImage = (ImageView) styleBoxItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.imageView1);

                // 链接到Github

                View githubItem = LayoutInflater.from(getApplicationContext())

                        .inflate(ch.halcyon.squareprogressbar.example.R.layout.lv_github, parent, false);

                TextView githublink = (TextView) githubItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.textView1);

                // 链接到homepage

                View signerItem = LayoutInflater.from(getApplicationContext())

                        .inflate(ch.halcyon.squareprogressbar.example.R.layout.lv_signer, parent, false);

                // 链接到Image

                View imageItem = LayoutInflater.from(getApplicationContext())

                        .inflate(ch.halcyon.squareprogressbar.example.R.layout.lv_image, parent, false);

                ImageView imagePreview = (ImageView) imageItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.imageView1);

                TextView imageDesc = (TextView) imageItem

                        .findViewById(ch.halcyon.squareprogressbar.example.R.id.imagetag);

                switch (position) {

                    case :

                        title.setText("Colour");

                        return headerItem;

                    case :

                        Context context = getApplicationContext();

                        item = LayoutInflater.from(context).inflate(

                                ch.halcyon.squareprogressbar.example.R.layout.lv_colour_text, parent, false);

                        item.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View arg0) {

                                final CustomColourDialog customColourDialog = new CustomColourDialog(

                                        MainActivity.this);

                                customColourDialog.show();

                                customColourDialog.getSaveButton()

                                        .setOnClickListener(new OnClickListener() {

                                            @Override

                                            public void onClick(View v) {

                                                squareFragment.squareProgressBar

                                                        .setColorRGB(customColourDialog

                                                                .getChoosenRGB());

                                                customColourDialog.dismiss();

                                            }

                                        });

                                selectItem(position);

                                lastPosition = position;

                            }

                        });

                        TextView textView = (TextView) item

                                .findViewById(ch.halcyon.squareprogressbar.example.R.id.colour_name_center);

                        textView.setText("choose RGB colour");

                        return item;

                    case :

                        title.setText("Style");

                        return headerItem;

                    case :

                        box.setText(ch.halcyon.squareprogressbar.example.R.string.opacity);

                        box.setChecked(squareFragment.squareProgressBar.isOpacity());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .setOpacity(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        box.setText("Outline");

                        box.setChecked(squareFragment.squareProgressBar.isOutline());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .drawOutline(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        box.setText("Startline");

                        box.setChecked(squareFragment.squareProgressBar

                                .isStartline());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .drawStartline(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        box.setText("Centerline");

                        box.setChecked(squareFragment.squareProgressBar

                                .isCenterline());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .drawCenterline(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        styleBox.setText("Show percent");

                        styleBox.setChecked(squareFragment.squareProgressBar

                                .isShowProgress());

                        styleBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .showProgress(isChecked);

                            }

                        });

                        styleImage.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View arg0) {

                                final PercentDialog percentDialog = new PercentDialog(

                                        MainActivity.this);

                                percentDialog.show();

                                percentDialog

                                        .setPercentStyle(squareFragment.squareProgressBar

                                                .getPercentStyle());

                                percentDialog.getSaveButton().setOnClickListener(

                                        new OnClickListener() {

                                            @Override

                                            public void onClick(View v) {

                                                squareFragment.squareProgressBar

                                                        .setPercentStyle(percentDialog

                                                                .getSettings());

                                                percentDialog.dismiss();

                                                styleBox.setChecked(true);

                                                drawerLayout.closeDrawers();

                                            }

                                        });

                            }

                        });

                        return styleBoxItem;

                    case :

                        box.setText("Grayscale");

                        box.setChecked(squareFragment.squareProgressBar

                                .isGreyscale());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .setImageGrayscale(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        box.setText("Clear at 100%");

                        box.setChecked(squareFragment.squareProgressBar

                                .isClearOnHundred());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .setClearOnHundred(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        box.setText("Indeterminate");

                        box.setChecked(squareFragment.squareProgressBar

                                .isIndeterminate());

                        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                            @Override

                            public void onCheckedChanged(CompoundButton buttonView,

                                                         boolean isChecked) {

                                squareFragment.squareProgressBar

                                        .setIndeterminate(isChecked);

                            }

                        });

                        return styleItem;

                    case :

                        title.setText("Image");

                        return headerItem;

                    case :

                        imagePreview.setImageResource(ch.halcyon.squareprogressbar.example.R.drawable.blenheim_palece);

                        imageDesc.setText("blenheim palace");

                        imageItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View v) {

                                squareFragment.squareProgressBar

                                        .setImage(ch.halcyon.squareprogressbar.example.R.drawable.blenheim_palece);

                            }

                        });

                        return imageItem;

                    case :

                        imagePreview

                                .setImageResource(ch.halcyon.squareprogressbar.example.R.drawable.millennium_stadium);

                        imageDesc.setText("the millennium stadium");

                        imageItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View v) {

                                squareFragment.squareProgressBar

                                        .setImage(ch.halcyon.squareprogressbar.example.R.drawable.millennium_stadium);

                            }

                        });

                        return imageItem;

                    case :

                        imagePreview.setImageResource(ch.halcyon.squareprogressbar.example.R.drawable.edinburgh);

                        imageDesc.setText("carlton hill");

                        imageItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View v) {

                                squareFragment.squareProgressBar

                                        .setImage(ch.halcyon.squareprogressbar.example.R.drawable.edinburgh);

                            }

                        });

                        return imageItem;

                    case :

                        imagePreview.setImageResource(ch.halcyon.squareprogressbar.example.R.drawable.holyroodpark);

                        imageDesc.setText("holyrood park");

                        imageItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View v) {

                                squareFragment.squareProgressBar

                                        .setImage(ch.halcyon.squareprogressbar.example.R.drawable.holyroodpark);

                            }

                        });

                        return imageItem;

                    case :

                        imagePreview.setImageResource(ch.halcyon.squareprogressbar.example.R.drawable.operahuset);

                        imageDesc.setText("operahuset oslo");

                        imageItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View v) {

                                squareFragment.squareProgressBar

                                        .setImage(ch.halcyon.squareprogressbar.example.R.drawable.operahuset);

                            }

                        });

                        return imageItem;

                    case :

                        title.setText("Source");

                        return headerItem;

                    case :

                        String text = "<font color=#4183C4>mrwonderman</font>/<b><font color=#4183C4>android-square-progressbar</font></b> (v. 1.6.0)";

                        githublink.setText(Html.fromHtml(text));

                        githubItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View arg0) {

                                Intent browserIntent = new Intent(

                                        Intent.ACTION_VIEW,

                                        Uri.parse("https://github.com/mrwonderman/android-square-progressbar"));

                                startActivity(browserIntent);

                            }

                        });

                        return githubItem;

                    case :

                        signerItem.setOnClickListener(new OnClickListener() {

                            @Override

                            public void onClick(View arg0) {

                                Intent browserIntent = new Intent(

                                        Intent.ACTION_VIEW, Uri

                                        .parse("http://www.halcyon.ch/"));

                                startActivity(browserIntent);

                            }

                        });

                        return signerItem;

                    default:

                        break;

                }

                //获得颜色数组

                ArrayList<Integer> colourArray = ColourUtil.getColourArray();

                if (position <= ) {

                    Context context = getApplicationContext();

                    item = LayoutInflater.from(context).inflate(

                            ch.halcyon.squareprogressbar.example.R.layout.lv_colour, parent, false);

                    View colourView = item.findViewById(ch.halcyon.squareprogressbar.example.R.id.colour_preview);

                    final Integer integer = colourArray.get(position - );

                    colourView.setBackgroundColor(context.getResources()

                            .getColor(integer));

                    item.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View arg0) {

                            squareFragment.squareProgressBar

                                    .setHoloColor(integer);

                            selectItem(position);

                            lastPosition = position;

                        }

                    });

                    TextView textView = (TextView) item

                            .findViewById(ch.halcyon.squareprogressbar.example.R.id.colour_name);

                    textView.setText(getName(position - ));

                }

                return item;

            }

            @Override

            public long getItemId(int position) {

                return position;

            }

            @Override

            public Object getItem(int position) {

                return position;

            }

            @Override

            public int getCount() {

                return ;

            }

        };

        drawerListView.setAdapter(adapter);

        drawerListView.setOnItemClickListener(new DrawerItemClickListener());

        getActionBar().setDisplayHomeAsUpEnabled(true);

        getActionBar().setHomeButtonEnabled(true);

        drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,

                ch.halcyon.squareprogressbar.example.R.drawable.ic_drawer, ch.halcyon.squareprogressbar.example.R.string.drawer_open,

                ch.halcyon.squareprogressbar.example.R.string.drawer_close) {

            @Override

            public void onDrawerClosed(View view) {

                getActionBar().setTitle(title);

                invalidateOptionsMenu();

            }

            //开启

            @Override

            public void onDrawerOpened(View drawerView) {

                getActionBar().setTitle(drawerTitle);

                invalidateOptionsMenu();

            }

        };

        drawerLayout.setDrawerListener(drawerToggle);

    }

    //回调方法

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        if (drawerToggle.onOptionsItemSelected(item)) {

            return true;

        }

        return true;

    }

    //选项菜单

    @Override

    public boolean onPrepareOptionsMenu(Menu menu) {

        return super.onPrepareOptionsMenu(menu);

    }

    @Override

    public void setTitle(CharSequence title) {

        this.title = title;

        getActionBar().setTitle(title);

    }

    @Override

    protected void onPostCreate(Bundle savedInstanceState) {

        super.onPostCreate(savedInstanceState);

        drawerToggle.syncState();

    }

    //横竖屏转换

    @Override

    public void onConfigurationChanged(Configuration newConfig) {

        super.onConfigurationChanged(newConfig);

        drawerToggle.onConfigurationChanged(newConfig);

    }

    //获得名字的序列

    private CharSequence getName(int position) {

        switch (position) {

            case :

                return "holo_blue_bright";

            case :

                return "holo_blue_dark";

            case :

                return "holo_blue_light";

            case :

                return "holo_green_dark";

            case :

                return "holo_green_light";

            case :

                return "holo_orange_dark";

            case :

                return "holo_orange_light";

            case :

                return "holo_purple";

            case :

                return "holo_red_dark";

            case :

                return "holo_red_light";

            default:

                break;

        }

        return "";

    }

    private void selectItem(int position) {

        drawerListView.setItemChecked(position, true);

    }

    //点击事件监听器

    private class DrawerItemClickListener implements

            ListView.OnItemClickListener {

        @Override

        public void onItemClick(AdapterView<?> parent, View view, int position,

                                long id) {

            if ((position != ) && (position != ) && (position != )

                    && (position != )) {

                selectItem(position);

            } else {

                selectItem(lastPosition);

            }

        }

    }

}

MainActivity

创建PreviewView类继承View

package ch.halcyon.squareprogressbar.example;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Paint.Align;

import android.graphics.Paint.Style;

import android.graphics.Path;

import android.util.AttributeSet;

import android.view.View;

public class PreviewView extends View {

    private final Paint paintPaint;

    //中心对齐

    private Align center = Align.CENTER;

    private float size = ;

    private boolean b = true;

    //预览视图

    public PreviewView(Context context) {

        super(context);

        paintPaint = new Paint();

        paintPaint.setColor(context.getResources().getColor(

                android.R.color.black));

        paintPaint.setAntiAlias(true);

        paintPaint.setStyle(Style.STROKE);

    }

    public PreviewView(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        paintPaint = new Paint();

        paintPaint.setColor(context.getResources().getColor(

                android.R.color.black));

        paintPaint.setAntiAlias(true);

        paintPaint.setStyle(Style.STROKE);

    }

    public PreviewView(Context context, AttributeSet attrs) {

        super(context, attrs);

        paintPaint = new Paint();

        paintPaint.setColor(context.getResources().getColor(

                android.R.color.black));

        paintPaint.setAntiAlias(true);

        paintPaint.setStyle(Style.STROKE);

    }

    @Override

    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

        Path path = new Path();

        path.moveTo(, );

        path.lineTo(, canvas.getWidth());

        path.lineTo(canvas.getHeight(), canvas.getWidth());

        path.lineTo(canvas.getHeight(), );

        path.lineTo(, );

        canvas.drawPath(path, paintPaint);

        paintPaint.setTextAlign(center);

        paintPaint.setTextSize(Float.valueOf(String.valueOf(size)));

        canvas.drawText(b ? "32%" : "", canvas.getWidth() / , (int) ((canvas

                .getHeight() / ) - ((paintPaint.descent() + paintPaint

                .ascent()) / )), paintPaint);

    }

    public void drawText(int size, Align center, boolean b) {

        this.size = size;

        this.center = center;

        this.b = b;

        this.invalidate();

    }

}

PreviewView

创建SquareFragment类继承Fragment

package ch.halcyon.squareprogressbar.example;

import ch.halcyon.squareprogressbar.SquareProgressBar;

import android.app.Fragment;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.TextView;

public class SquareFragment extends Fragment {

    public SquareProgressBar squareProgressBar;

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

            Bundle savedInstanceState) {

        View view = inflater.inflate(ch.halcyon.squareprogressbar.example.R.layout.square_layout, container, false);

        squareProgressBar = (SquareProgressBar) view.findViewById(ch.halcyon.squareprogressbar.example.R.id.subi2);

        squareProgressBar.setImage(ch.halcyon.squareprogressbar.example.R.drawable.blenheim_palece);

        squareProgressBar.setColor("#C9C9C9");

        squareProgressBar.setProgress();

        squareProgressBar.setWidth();

        final TextView progressView = (TextView) view

                .findViewById(ch.halcyon.squareprogressbar.example.R.id.progressDisplay);

        progressView.setText("32%");

        SeekBar progressSeekBar = (SeekBar) view

                .findViewById(ch.halcyon.squareprogressbar.example.R.id.progressSeekBar);

        progressSeekBar

                .setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

                    @Override

                    public void onStopTrackingTouch(SeekBar seekBar) {

                        // nothing to do

                    }

                    @Override

                    public void onStartTrackingTouch(SeekBar seekBar) {

                        // nothing to do

                    }

                    @Override

                    public void onProgressChanged(SeekBar seekBar,

                            int progress, boolean fromUser) {

                        squareProgressBar.setProgress(progress);

                        progressView.setText(progress + "%");

                    }

                });

        SeekBar widthSeekBar = (SeekBar) view.findViewById(ch.halcyon.squareprogressbar.example.R.id.widthSeekBar);

        widthSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

            @Override

            public void onStopTrackingTouch(SeekBar seekBar) {

                // nothing to do

            }

            @Override

            public void onStartTrackingTouch(SeekBar seekBar) {

                // nothing to do

            }

            @Override

            public void onProgressChanged(SeekBar seekBar, int progress,

                    boolean fromUser) {

                squareProgressBar.setWidth(progress);

            }

        });

        return view;

    }

}

SquareFragment

创建CustomColourDialog类并且继承Dialog：

package ch.halcyon.squareprogressbar.example.dialogs;

import ch.halcyon.squareprogressbar.example.R;

import android.app.Dialog;

import android.content.Context;

import android.graphics.Color;

import android.graphics.drawable.ColorDrawable;

import android.view.View;

import android.view.Window;

import android.widget.Button;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.TextView;

public class CustomColourDialog extends Dialog {

    private final Button saveButton;

    private SeekBar rSeekBar;

    private SeekBar gSeekBar;

    private SeekBar bSeekBar;

    private int choosenRGB;

    public CustomColourDialog(final Context context) {

        super(context);

        //舍去标题

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        this.setContentView(R.layout.customcolourdialog);

        this.setCancelable(false);

        Button closeButton = (Button) this

                .findViewById(R.id.returnColourDialog);

        closeButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                dismiss();

            }

        });

        saveButton = (Button) this.findViewById(R.id.shareColourDialog);

        rSeekBar = (SeekBar) findViewById(R.id.rSeekBar);

        rSeekBar.setMax();

        rSeekBar.setProgress();

        rSeekBar.setOnSeekBarChangeListener(rgbOnSeekBarListener());

        gSeekBar = (SeekBar) findViewById(R.id.gSeekBar);

        gSeekBar.setMax();

        gSeekBar.setProgress();

        gSeekBar.setOnSeekBarChangeListener(rgbOnSeekBarListener());

        bSeekBar = (SeekBar) findViewById(R.id.bSeekBar);

        bSeekBar.setMax();

        bSeekBar.setProgress();

        bSeekBar.setOnSeekBarChangeListener(rgbOnSeekBarListener());

        calculateRGB();

    }

    private OnSeekBarChangeListener rgbOnSeekBarListener() {

        return new OnSeekBarChangeListener() {

            @Override

            public void onStopTrackingTouch(SeekBar arg0) {

                // nothing to do =)

            }

            @Override

            public void onStartTrackingTouch(SeekBar arg0) {

                // nothing to do =)

            }

            @Override

            public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {

                calculateRGB();

            }

        };

    }

    public Button getSaveButton() {

        return saveButton;

    }

    //计算颜色属性值

    private void calculateRGB() {

        int r = rSeekBar.getProgress();

        int g = gSeekBar.getProgress();

        int b = bSeekBar.getProgress();

        ((TextView) findViewById(R.id.rgbText)).setText("(" + r + "," + g + ","

                + b + ")");

        choosenRGB = Color.rgb(r, g, b);

        getWindow().setBackgroundDrawable(new ColorDrawable(choosenRGB));

    }

    /**

     * Returns the Color which was chosen in the Dialog.

     *

     * @return the chosen RGB-colour.

     */

    public int getChoosenRGB() {

        return choosenRGB;

    }

}

CustomColourDialog

创建PercentDialog类并且继承Dialog：

package ch.halcyon.squareprogressbar.example.dialogs;

import ch.halcyon.squareprogressbar.example.PreviewView;

import ch.halcyon.squareprogressbar.utils.PercentStyle;

import ch.halcyon.squareprogressbar.example.R;

import android.app.Dialog;

import android.content.Context;

import android.graphics.Paint.Align;

import android.view.View;

import android.view.Window;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemSelectedListener;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.Spinner;

import android.widget.TextView;

public class PercentDialog extends Dialog {

    private final Spinner spinner;

    private final CheckBox box;

    private final Button saveButton;

    private final SeekBar bar;

    private int size;

    private final PreviewView previewView;

    public PercentDialog(final Context context) {

        super(context);

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        this.setContentView(R.layout.percentdialog);

        this.setCancelable(false);

        spinner = (Spinner) this.findViewById(R.id.spinner1);

        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(

                context, R.array.alignstyle,

                android.R.layout.simple_spinner_item);

        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        spinner.setAdapter(adapter);

        previewView = (PreviewView) findViewById(R.id.previewView1);

        spinner.setOnItemSelectedListener(new OnItemSelectedListener() {

            @Override

            public void onItemSelected(AdapterView<?> arg0, View arg1,

                    int arg2, long arg3) {

                redrawPreview();

            }

            @Override

            public void onNothingSelected(AdapterView<?> arg0) {

                // nothing to do =)

            }

        });

        Button closeButton = (Button) this.findViewById(R.id.returnDialog);

        closeButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                dismiss();

            }

        });

        saveButton = (Button) this.findViewById(R.id.shareDialog);

        final TextView progress = (TextView) findViewById(R.id.textView3);

        bar = (SeekBar) findViewById(R.id.textSize);

        bar.setMax();

        bar.setProgress();

        bar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

            @Override

            public void onStopTrackingTouch(SeekBar arg0) {

                // nothing to do =)

            }

            @Override

            public void onStartTrackingTouch(SeekBar arg0) {

                // nothing to do =)

            }

            @Override

            public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {

                size = arg1;

                progress.setText(arg1 + " dp");

                redrawPreview();

            }

        });

        box = (CheckBox) this.findViewById(R.id.checkBox1);

        box.setOnCheckedChangeListener(new OnCheckedChangeListener() {

            @Override

            public void onCheckedChanged(CompoundButton buttonView,

                    boolean isChecked) {

                redrawPreview();

            }

        });

    }

    public PercentStyle getSettings() {

        return new PercentStyle(Align.valueOf((String) spinner

                .getSelectedItem()), Float.valueOf(bar.getProgress()),

                box.isChecked());

    }

    public Button getSaveButton() {

        return saveButton;

    }

    private Align returnAlign(int position) {

        switch (position) {

        case :

            return Align.CENTER;

        case :

            return Align.RIGHT;

        case :

            return Align.LEFT;

        default:

            return Align.CENTER;

        }

    }

    private void redrawPreview() {

        previewView

                .drawText(size, returnAlign(spinner.getSelectedItemPosition()),

                        box.isChecked());

    }

    public void setPercentStyle(PercentStyle settings) {

        switch (settings.getAlign()) {

        case CENTER:

            spinner.setSelection();

            break;

        case RIGHT:

            spinner.setSelection();

            break;

        case LEFT:

            spinner.setSelection();

            break;

        default:

            spinner.setSelection();

            break;

        }

        bar.setProgress(Math.round(settings.getTextSize()));

        box.setChecked(settings.isPercentSign());

    }

}

PercentDialog

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Android之图片窗口和大小调节

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