Here is the solution, tested and verified
@Override
protected void onPause() {
if (mediaPlayer != null) {
mediaPlayer.stop();
mediaPlayer.release();
mediaPlayer = null;
}
}
@Override
protected void onPause() {
if (mediaPlayer != null) {
mediaPlayer.stop();
mediaPlayer.release();
mediaPlayer = null;
}
}
package com.successmobigroup.imageswitcherexample; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.view.ViewGroup.LayoutParams; import android.view.animation.Animation; import android.widget.Button; import android.widget.ImageSwitcher; import android.widget.ImageView; import android.widget.Toast; import android.widget.ViewSwitcher.ViewFactory; import com.successmobigroup.imageswitcherexample.R; public class ImageSwitcherExampleActivity extends Activity implements ViewFactory{ ImageSwitcher is; int [] imgid = {R.drawable.android1,R.drawable.android2,R.drawable.android3,R.drawable.android4}; Button prev, next; int count =0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_image_switcher_example); is = (ImageSwitcher)findViewById(R.id.imageSwitcher1); prev = (Button)findViewById(R.id.button1); next = (Button)findViewById(R.id.button2); is.setFactory(this); is.setInAnimation(this, android.R.anim . slide_in_left); is.setOutAnimation(this, android.R.anim.slide_out_right); prev.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub if(count>0) { count--; try{ is.setImageResource(imgid[count]); } catch(Exception e) { e.printStackTrace(); } } else { Toast.makeText(ImageSwitcherExampleActivity.this, "First", Toast.LENGTH_LONG).show(); } } }); next.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub if(count<imgid.length) { try{ is.setImageResource(imgid[count]); } catch(Exception e) { e.printStackTrace(); } count++; } else { Toast.makeText(ImageSwitcherExampleActivity.this, "Last", Toast.LENGTH_LONG).show(); } } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.image_switcher_example, menu); return true; } @Override public View makeView() { // TODO Auto-generated method stub ImageView iv = new ImageView(this); iv.setScaleType(ImageView.ScaleType.FIT_CENTER); iv.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); return iv; } }
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/LinearLayout1" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".ImageSwitcherExampleActivity" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageSwitcher android:id="@+id/imageSwitcher1" android:layout_width="match_parent" android:layout_height="match_parent" > </ImageSwitcher> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" > <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="<<" /> <Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text=">>" /> </LinearLayout> </LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextSwitcher
android:id="@+id/textSwitcher1"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</TextSwitcher>
</LinearLayout>
tv = (TextSwitcher) findViewById(R.id.textSwitcher1);
tv.setInAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_in));
tv.setOutAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_out));
class MyGestureDetector extends SimpleOnGestureListener {
final String TAG = MyGestureDetector.class.getSimpleName();
// for touch left or touch right events
private static final int SWIPE_MIN_DISTANCE = 80; //default is 120
private static final int SWIPE_MAX_OFF_PATH = 400;
private static final int SWIPE_THRESHOLD_VELOCITY = 70;
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
return super.onSingleTapConfirmed(e);
}
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
Log.d(TAG, " on filing event, first velocityX :" + velocityX +
" second velocityY" + velocityY);
try {
if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)
return false;
if(e1.getX() - e2.getX()
> SWIPE_MIN_DISTANCE && Math.abs(velocityX)
> SWIPE_THRESHOLD_VELOCITY) {
onHorizonTouch(true); // left
} else if (e2.getX() - e1.getX()
> SWIPE_MIN_DISTANCE && Math.abs(velocityX)
> SWIPE_THRESHOLD_VELOCITY) {
onHorizonTouch(false); // right
}
} catch (Exception e) {
// nothing
}
return false;
}
void onHorizonTouch(Boolean toLeft) {
if(!toLeft && imageIdx>0) {
tv.setInAnimation(AnimationUtils.loadAnimation(
MainActivity.this, android.R.anim.fade_in));
tv.setOutAnimation(AnimationUtils.loadAnimation(
MainActivity.this, android.R.anim.fade_out));
imageIdx--;
MainActivity.this.tv.setText("Text1");
}
if(toLeft && imageIdx<1) {
vs.setInAnimation(AnimationUtils.loadAnimation(
MainActivity.this, android.R.anim.fade_in));
vs.setOutAnimation(AnimationUtils.loadAnimation(
MainActivity.this, android.R.anim.fade_out));
imageIdx++;
MainActivity.this.tv.setText("Text2");
}
}
}
gestureDetector = new GestureDetector(new MyGestureDetector());
View.OnTouchListener gestureListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (gestureDetector.onTouchEvent(event)) {
return true;
}
return false;
}
};
tv.setOnTouchListener(gestureListener);
tools/
path.android list targets
android create project --target <target-id> --name MyFirstApp \ --path <path-to-workspace>/MyFirstApp --activity MainActivity \ --package com.example.myfirstapp
<target-id>
with an id from the list of targets (from the previous step) and replace <path-to-workspace>
with the location in which you want to save your Android projects.platform-tools/
as well as the tools/
directory to your PATH
environment variable.AndroidManifest.xml
<uses-sdk>
element. This declares your app's compatibility with different Android versions using the android:minSdkVersion
andandroid:targetSdkVersion
attributes. For your first app, it should look like this:<manifest xmlns:android="http://schemas.android.com/apk/res/android" ... > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19" /> ...</manifest>
android:targetSdkVersion
as high as possible and test your app on the corresponding platform version. For more information, read Supporting Different Platform Versions.src/
Activity
class that runs when your app is launched using the app icon.res/
drawable-hdpi/
layout/
values/
Activity
class starts and loads a layout file that says "Hello World." The result is nothing exciting, but it's important that you understand how to run your app before you start developing.ant debug
platform-tools/
directory is included in your PATH
environment variable, then execute:adb install bin/MyFirstApp-debug.apk
<sdk>/tools/
and execute:android avd
ant debug
platform-tools/
directory is included in your PATH
environment variable, then execute:adb install bin/MyFirstApp-debug.apk