看到QQ的信息提示框，感觉效果很不错，做了一个类似的，展示如下：
效果还不错，整体上是Translate动画和FrameLayout布局的结合，下面看一下代码:
activiy_main.xml
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<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" > <FrameLayout android:layout_width="match_parent" android:layout_height="wrap_content" > <TextView android:id="@+id/toast" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginBottom="20dp" android:layout_marginTop="40dp" android:background="@color/transparent_black" android:gravity="center" android:paddingBottom="5dp" android:paddingLeft="40dp" android:paddingRight="40dp" android:paddingTop="5dp" android:text="@string/toast" android:textColor="@color/white" android:textSize="16sp" android:visibility="invisible" /> <TextView android:id="@+id/title" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@color/blue" android:gravity="center" android:padding="5dp" android:text="@string/title" android:textColor="@color/white" android:textSize="20sp" /> </FrameLayout> <TextView android:id="@+id/info" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:gravity="center" android:text="@string/hello_world" /> <Button android:id="@+id/btn" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="30dp" android:gravity="center" android:text="@string/btn" > </Button> </LinearLayout> |
MainActivity.java
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package cn.androiddevelop; import android.app.Activity; 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.TranslateAnimation; import android.widget.Button; import android.widget.TextView; import cn.androiddevelop.test.R; public class MainActivity extends Activity { TextView rootView; Button btn; Handler handler; TextView tv; Animation mTranslateInAnimation, mTranslateOutAnimation; boolean flag = true; @Override protected void onCreate(Bundle super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); rootView = (TextView) findViewById(R.id.info); btn = (Button) findViewById(R.id.btn); tv = (TextView) findViewById(R.id.toast); handler = new Handler() { @Override public void handleMessage(Message tv.startAnimation(mTranslateOutAnimation); tv.setGravity(View.INVISIBLE); super.handleMessage(msg); } }; // 定义进入与退出动画 mTranslateInAnimation = new TranslateAnimation( Animation.RELATIVE_TO_SELF, 0, Animation.RELATIVE_TO_SELF, -1.5f, 0); mTranslateInAnimation.setDuration(1000); mTranslateOutAnimation = new TranslateAnimation( Animation.RELATIVE_TO_SELF, 0, Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF, -1.5f); mTranslateOutAnimation.setDuration(1000); mTranslateOutAnimation // 动画显示结束后将tv控件隐藏 .setAnimationListener(new Animation.AnimationListener() { @Override public void onAnimationStart(Animation } @Override public void onAnimationEnd(Animation tv.setVisibility(View.INVISIBLE); flag = true; // } @Override public void onAnimationRepeat(Animation } }); btn.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { if (flag) { // flag = false; } else { return; } // 显示消息框 tv.startAnimation(mTranslateInAnimation); tv.setVisibility(View.VISIBLE); new Thread() { @Override public void run() { try { sleep(3000); handler.sendEmptyMessage(0); } catch (InterruptedException e) { e.printStackTrace(); } } }.start(); } }); } } |
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