activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/rootLayout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <Button android:id="@+id/btn1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:text="MOVE" /> <ImageView android:id="@+id/img1" android:layout_width="100dp" android:layout_height="100dp" android:paddingTop="40dp" android:layout_marginLeft="60dip" android:src="@drawable/car" /> <ImageView android:id="@+id/img2" android:layout_width="100dp" android:layout_height="100dp" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:src="@drawable/car" /> <ImageView android:id="@+id/img3" android:layout_width="100dp" android:layout_height="100dp" android:layout_alignParentBottom="true" android:layout_marginBottom="100dip" android:layout_marginLeft="60dip" android:src="@drawable/car" /> <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:clipChildren="false" android:clipToPadding="false" android:orientation="vertical"> <ImageView android:id="@+id/img4" android:layout_width="100dp" android:layout_height="100dp" android:layout_marginLeft="60dip" android:layout_marginTop="150dip" android:src="@drawable/car" /> </LinearLayout> </RelativeLayout>
MainActivity.java
package in.kantapp.example27; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.DisplayMetrics; import android.view.View; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ImageView; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ((Button) findViewById( R.id.btn1 )).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ImageView img = (ImageView) findViewById( R.id.img1 ); moveViewToScreenCenter( img ); img = (ImageView) findViewById( R.id.img2 ); moveViewToScreenCenter( img ); img = (ImageView) findViewById( R.id.img3 ); moveViewToScreenCenter( img ); img = (ImageView) findViewById( R.id.img4 ); moveViewToScreenCenter( img ); } }); } private void moveViewToScreenCenter( View view ) { RelativeLayout root = (RelativeLayout) findViewById( R.id.rootLayout ); DisplayMetrics dm = new DisplayMetrics(); this.getWindowManager().getDefaultDisplay().getMetrics( dm ); int statusBarOffset = dm.heightPixels - root.getMeasuredHeight(); int originalPos[] = new int[2]; view.getLocationOnScreen( originalPos ); int xDest = dm.widthPixels/2; xDest -= (view.getMeasuredWidth()/2); int yDest = dm.heightPixels/2 - (view.getMeasuredHeight()/2) - statusBarOffset; TranslateAnimation anim = new TranslateAnimation( 0, xDest - originalPos[0] , 0, yDest - originalPos[1] ); anim.setDuration(3000); anim.setFillAfter( true ); view.startAnimation(anim); } }
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="in.kantapp.example27"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
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