模仿猫眼电影App一个动画效果

看真正的猫眼效果图

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接下来看自己写的粗略图（不足的地方是这里是2个切换选项，假设须要3个切换的话，须要自己定义控件，兴许在更新。。。）

源代码地址

自己定义控件（21）---自己定义控件之高仿猫眼小项目（3）

先看主页面xml布局文件--so easy

activity_main.xml

<RelativeLayout 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"
    tools:context="com.example.mytogglebutton.MainActivity" >

    <RelativeLayout
        android:layout_width="150dp"
        android:layout_height="50dp"
        android:layout_centerInParent="true"
        android:background="#CD5555" >

        <TextView
            android:id="@+id/tv_left"
            android:layout_width="50dp"
            android:layout_height="40dp"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:layout_marginLeft="15dp"
            android:gravity="center"
            android:text="购物" />

        <TextView
            android:id="@+id/tv_up"
            android:layout_width="50dp"
            android:layout_height="40dp"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:layout_marginLeft="15dp"
            android:background="#ffffff"
            android:gravity="center"
            android:text="购物" />

        <TextView
            android:id="@+id/tv_right"
            android:layout_width="50dp"
            android:layout_height="40dp"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="15dp"
            android:gravity="center"
            android:text="美食" />
    </RelativeLayout>

</RelativeLayout>

MainActivity--看主布局代码--so easy

package com.example.mytogglebutton;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

	private TextView tv_left;
	private TextView tv_right;
	private TextView tv_up;
	//表示是否要从购物切换到美食
	private boolean tv_up_left_tran = false;
	//表示是否要从美食切换到购物
	private boolean tv_up_right_tran = false;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		initView();
		tv_right.setOnClickListener(this);
		tv_left.setOnClickListener(this);
	}

	private void initView() {
		tv_left = (TextView) findViewById(R.id.tv_left);
		tv_right = (TextView) findViewById(R.id.tv_right);
		tv_up = (TextView) findViewById(R.id.tv_up);
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.tv_left:

			//表示要从美食切换到购物
			if (!tv_up_right_tran) {
				TranslateAnimation animation = new TranslateAnimation(
						Animation.RELATIVE_TO_SELF, 1.4f,
						Animation.RELATIVE_TO_SELF, 0f,
						Animation.RELATIVE_TO_SELF, 0.0f,
						Animation.RELATIVE_TO_SELF, 0.0f);
				animation.setDuration(100);
				tv_up.setText("购物");
				animation.setFillAfter(true);
				tv_up.startAnimation(animation);
			}
			//切换后，改动状态--能够从左边切换到右边。可是不能从右边切换到左边
			tv_up_right_tran = true;
			tv_up_left_tran = false;
			Toast.makeText(this, ""+tv_up.getText(), 1).show();
			break;
		case R.id.tv_right:
			//表示要从购物切换到美食
			if (!tv_up_left_tran) {
				TranslateAnimation animation1 = new TranslateAnimation(
						Animation.RELATIVE_TO_SELF, 0.0f,
						Animation.RELATIVE_TO_SELF, 1.4f,
						Animation.RELATIVE_TO_SELF, 0.0f,
						Animation.RELATIVE_TO_SELF, 0.0f);
				animation1.setDuration(100);
				tv_up.setText("美食");

				tv_up.startAnimation(animation1);
				animation1.setFillAfter(true);
			}
			//切换后，改动状态--能够从右边切换到左边，可是不能从左边切换到右边
			tv_up_left_tran = true;
			tv_up_right_tran = false;
			Toast.makeText(this, ""+tv_up.getText(), 1).show();
			break;

		default:
			break;
		}
	}

}