看真正的猫眼效果图
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;
}
}
}
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