Android的stateListDrawable，layerDawable，clipdrawable，AnimationDarwable介绍-android学习之旅（五十五）

StatelistDrawable资源

代码示例

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_focused="true"
        android:color="f44"/>
    <item android:state_focused="false"
        android:color="eee"/>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
  <EditText
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:textColor="@drawable/my_image"/>

</LinearLayout>

LayerDawable资源

代码示例

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background"
        android:drawable="@drawable/ic_launcher"/>
    <item android:id="@android:id/progress"
        android:drawable="@drawable/ic_launcher"/>
</layer-list>

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <bitmap android:src="@drawable/ic_launcher"
            android:gravity="center"/>
    </item>
    <item android:top="25dp" android:left="25dp">
        <bitmap android:src="@drawable/ic_launcher"
            android:gravity="center"/>
    </item>
    <item android:top="50dp" android:left="50dp">
        <bitmap android:src="@drawable/ic_launcher"
            android:gravity="center"/>
    </item>
</layer-list>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
  <SeekBar
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:id="@+id/seekBar"
      android:max="100"
      android:progressDrawable="@drawable/my_image"/>
  <ImageView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:src="@drawable/my_bar"/>

</LinearLayout>

ShapeDrawable资源

代码示例

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#fff"/>
    <padding android:left="7dp"
        android:top="7dp"
        android:bottom="7dp"
        android:right="7dp"/>
    <stroke android:width="3dp"
        android:color="#ff0"/>
</shape>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient android:startColor="#FFFF0000"
        android:endColor="#80FF00FF"
        android:angle="45"/>
    <padding android:left="7dp"
        android:top="7dp"
        android:bottom="7dp"
        android:right="7dp"/>
    <corners android:radius="8dp"/>
</shape>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <gradient android:startColor="#ff0"
        android:endColor="#00f"
        android:angle="45"
        android:type="sweep"/>
    <padding android:left="7dp"
        android:top="7dp"
        android:bottom="7dp"
        android:right="7dp"/>
    <corners android:radius="8dp"/>
</shape>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <EditText
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/my_shape"/>
    <EditText
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/my_shape3"/>
    <EditText
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/my_shape4"/>

</LinearLayout>

ClipDrawable资源

图片换换展开的代码示例

package peng.liu.test;

import android.app.Activity;
import android.graphics.drawable.ClipDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.ImageView;

import java.util.Timer;
import java.util.TimerTask;

public class MainActivity extends Activity{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ImageView image = (ImageView) findViewById(R.id.image);
        final ClipDrawable clip = (ClipDrawable) image.getDrawable();
        final Handler handler = new Handler(){
            @Override
            public void handleMessage(Message msg) {
                if (msg.what == 0x123){
                    clip.setLevel(clip.getLevel()+200);
                }
            }
        };
        new Timer().schedule(new TimerTask() {
            @Override
            public void run() {
                Message msg = new Message();
                msg.what = 0x123;
                handler.sendMessage(msg);
                if (clip.getLevel() >= 10000){
                    this.cancel();
                }
            }
        },0,200);
    }
}

布局代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/image"
        android:src="@drawable/ic_launcher"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<clip xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/ic_launcher"
    android:clipOrientation="horizontal"
    android:gravity="center">

</clip>

Animationdrawable资源

package peng.liu.test;

import android.app.Activity;
import android.graphics.drawable.ClipDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;

import java.util.Timer;
import java.util.TimerTask;

public class MainActivity extends Activity{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final ImageView image = (ImageView) findViewById(R.id.image);
        final Animation anim = AnimationUtils.loadAnimation(this,R.anim.my_anim);
        anim.setFillAfter(true);
        findViewById(R.id.btnAnim).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                image.startAnimation(anim);
            }
        });
    }
}

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:anim/linear_interpolator"
    android:duration="5000">
    <scale android:fromXScale="1.0"
        android:toXScale="1.4"
        android:fromYScale="1.0"
        android:toYScale="0.6"
        android:pivotX="50%"
        android:pivotY="50%"
        android:fillAfter="true"
        android:duration="2000"/>
    <translate android:fromXDelta="10"
        android:toXDelta="130"
        android:fromYDelta="30"
        android:toYDelta="-80"
        android:duration="2000"/>
</set>