android 自定义dialog,窗口动画

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自定义dialog窗口，根据坐标可随意设置dialog显示位置，实现了窗口弹出动画

Java代码：

package com.sunxu.org.IndividualityDialog;import android.app.Activity;import android.app.Dialog;import android.content.Context;import android.os.Bundle;import android.view.Gravity;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.view.WindowManager;import android.widget.Button;public class IndividualityDialogActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                Button btn = (Button)findViewById(R.id.button1);                btn.setOnClickListener(new OnClickListener()        {            public void onClick(View v)            {                //多个Activity嵌套时用this.parent否则异常                new myDialog(IndividualityDialogActivity.this)                    .showDialog(R.layout.dialog, 80, 50);            }        });    }        //自定义Dialog    class myDialog extends Dialog{                private Window window = null;                public myDialog(Context context)        {            super(context);        }                public void showDialog(int layoutResID, int x, int y){            setContentView(layoutResID);                        windowDeploy(x, y);                        //设置触摸对话框意外的地方取消对话框            setCanceledOnTouchOutside(true);            show();        }                //设置窗口显示        public void windowDeploy(int x, int y){            window = getWindow(); //得到对话框            window.setWindowAnimations(R.style.dialogWindowAnim); //设置窗口弹出动画            window.setBackgroundDrawableResource(R.color.vifrification); //设置对话框背景为透明            WindowManager.LayoutParams wl = window.getAttributes();            //根据x，y坐标设置窗口需要显示的位置            wl.x = x; //x小于0左移，大于0右移            wl.y = y; //y小于0上移，大于0下移  //            wl.alpha = 0.6f; //设置透明度//            wl.gravity = Gravity.BOTTOM; //设置重力            window.setAttributes(wl);        }    }}

设置窗口弹出，退出动画在res/values下创建style

<?xml version="1.0" encoding="utf-8"?>


<resources>
    <style name="dialogWindowAnim" parent="android:Animation" mce_bogus="1">
        <item name="android:windowEnterAnimation">@anim/dialog_enter_anim</item>
        <item name="android:windowExitAnimation">@anim/dialog_exit_anim</item>
    </style>

</resources>

在res/anim下创建，设置dialog窗口弹出动画

<?xml version="1.0" encoding="utf-8"?>


<set xmlns:android="http://schemas.android.com/apk/res/android">
    <scale
        android:interpolator="@android:anim/accelerate_interpolator"
        android:fromXScale="1.0"
        android:toXScale="1.0"
        android:fromYScale="0.0"
        android:toYScale="1.0"
        android:pivotX="0%"
        android:pivotY="100%"
        android:fillAfter="false"
        android:duration="400"/>
</set>

在res/anim下创建，设置dialog窗口退出动画

<?xml version="1.0" encoding="utf-8"?>

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <scale
        android:interpolator="@android:anim/accelerate_interpolator"
        android:fromXScale="1.0"
        android:toXScale="1.0"
        android:fromYScale="1.0"
        android:toYScale="0.0"
        android:pivotX="0%"
        android:pivotY="100%"
        android:fillAfter="false"
        android:duration="400"/>
</set>

在res/values下创建color

<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="vifrification">#00000000</color> 
</resources>

设置dialog窗口layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:gravity="center"
    android:background="@drawable/dialog_background" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="50sp"
        android:text="Hello" />

</LinearLayout>

main布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="点击弹出myDialog" />
</LinearLayout>

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