案例為動畫實現(xiàn)Dialog退出APP

Activity

package com.mingrisoft.animdialog; import android.app.Activity; import android.app.AlertDialog; import android.os.Bundle; import android.view.Gravity; import android.view.KeyEvent; import android.view.View; import android.view.Window; import android.widget.Button;public class MainActivity extends Activity {private Button button_determine, button_cancel; //定義對話框按鈕private AlertDialog dlg; //定義對話框@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);}/*** 判斷當(dāng)單擊手機(jī)返回按鈕時，從手機(jī)頂部向下移動對話* 再次單擊返回按鈕,對話框?qū)闹虚g向底部移動消失對話框*/@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {//判斷如果單擊了返回按鈕if (keyCode == KeyEvent.KEYCODE_BACK) {//創(chuàng)建對話框?qū)嵗齞lg=new AlertDialog.Builder(this).create();dlg.show(); //顯示對話框Window window = dlg.getWindow(); //獲取對話框窗口window.setGravity(Gravity.CENTER); //此處設(shè)置dialog顯示在中心位置window.setWindowAnimations(R.style.mystyle); //添加動畫window.setContentView(R.layout.dialog_layout); //設(shè)置對話框布局文件//獲取對話框確定按鈕button_determine = (Button) window.findViewById(R.id.btn_determine);//獲取對話框取消按鈕button_cancel = (Button) window.findViewById(R.id.btn_cancel);initEvent(); //調(diào)用初始化事件方法}return super.onKeyDown(keyCode, event);}/*** 該方法出事對話框中按鈕的事件，單擊確定按鈕退出該應(yīng)用* 單擊取消按鈕，對話框?qū)⒁苿又恋撞肯?/private void initEvent() {button_determine.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dlg.dismiss(); //對話框移動到底部消失finish(); //關(guān)閉當(dāng)前應(yīng)用}});button_cancel.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dlg.dismiss(); //對話框移動到底部消失}});} }

dialog_layout

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:gravity="center_horizontal"android:orientation="vertical"><!--標(biāo)題--><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:paddingTop="20dp"android:text="@string/text_title1"android:textColor="@color/black"android:textSize="16sp" /><!--提示文字--><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:paddingBottom="50dp"android:paddingLeft="20dp"android:paddingRight="20dp"android:paddingTop="20dp"android:text="@string/text_title2"android:textColor="@color/blue"android:textSize="20sp" /><!--線--><Viewandroid:layout_width="match_parent"android:layout_height="1dp"android:background="@color/yellow" /></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"><!--確定按鈕--><Buttonandroid:id="@+id/btn_determine"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:background="@null"android:text="@string/text_btn_determine"android:textColor="@color/orange"android:textSize="20sp" /><!--線--><Viewandroid:layout_width="1dp"android:layout_height="match_parent"android:background="@color/yellow" /><!--取消按鈕--><Buttonandroid:id="@+id/btn_cancel"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:background="@null"android:text="@string/text_btn_cancel"android:textColor="@color/orange"android:textSize="20sp" /></LinearLayout></LinearLayout>

動畫

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"><!--從中間到底部退出--><translateandroid:fromYDelta="0"android:toYDelta="100%"android:duration="200"/> </set><?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"><!--從上進(jìn)入到中間--><translateandroid:duration="200"android:fromYDelta="-100%"></translate> </set>

Style

<resources><!-- Base application theme. --><style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"><!-- Customize your theme here. --><item name="colorPrimary">@color/colorPrimary</item><item name="colorPrimaryDark">@color/colorPrimaryDark</item><item name="colorAccent">@color/colorAccent</item></style><style name="mystyle" parent="android:Animation"><!--進(jìn)入時的動畫--><item name="@android:windowEnterAnimation">@anim/dialog_enter</item><!--退出時的動畫--><item name="@android:windowExitAnimation">@anim/dialog_exit</item></style></resources>

xml

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/activity_main"android:layout_width="match_parent"android:layout_height="match_parent"android:background="@drawable/bg"tools:context="com.mingrisoft.animdialog.MainActivity"></RelativeLayout>

color XML

<?xml version="1.0" encoding="utf-8"?> <resources><color name="colorPrimary">#3F51B5</color><color name="colorPrimaryDark">#FF5B3F</color><color name="colorAccent">#FF4081</color><color name="black">#000000</color><color name="blue">#475764</color><color name="yellow">#D2AA8C</color><color name="orange">#F16D27</color> </resources>

總結(jié)

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