Start Activity from list - launches other activities from list
Activities launcher
public class MainActivity extends ListActivity {
private class Sample {
private CharSequence title;
private Class<? extends Activity> activityClass;
public Sample(int titleResId, Class<? extends Activity> activityClass) {
this.activityClass = activityClass;
this.title = getResources().getString(titleResId);
}
@Override
public String toString() {
return title.toString();
}
}
private static Sample[] mSamples;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Instantiate the list of samples.
mSamples = new Sample[]{
new Sample(R.string.title_first_app, FirstActivity.class),
new Sample(R.string.title_second_app, SecondActivity.class),
new Sample(R.string.title_third_app, ThirdActivity.class),
};
setListAdapter(new ArrayAdapter<Sample>(this,
android.R.layout.simple_list_item_1,
android.R.id.text1,
mSamples));
}
@Override
protected void onListItemClick(ListView listView, View view, int position, long id) {
// Launch the sample associated with this list position.
startActivity(new Intent(MainActivity.this, mSamples[position].activityClass));
}
}
396LW NO topic_id
AD
Další témata ....(Topics)
Kvalitní mobilní telefon pro rok 2012 by měl mít tyto, nebo ještě lepší parametry.
Značka Samsung , HTC, LG, Motorola, Sony Ericsson, ZTE Blade
Verze operačního systému Android 2.2 a vyšší.
Procesor a jeho frekvence Qualcomm 800MHz a vyšší.
Paměť RAM 512MB a více.
Paměť ROM 512MB.
Displej a jeho rozlišení 4,3 palce rozlišení 480x800 pixelů pro snadné ovládání a čtení a schopnost zobrazit 16 milionů barev.
Technologie 3G data, WiFi, BlueTooth, GPS přijímač, fotoaparát 3 Mpix, autofokus, diodový blesk.
Výdrž baterie minimálně 1 den a více.
3G internet.
Značka Samsung , HTC, LG, Motorola, Sony Ericsson, ZTE Blade
Verze operačního systému Android 2.2 a vyšší.
Procesor a jeho frekvence Qualcomm 800MHz a vyšší.
Paměť RAM 512MB a více.
Paměť ROM 512MB.
Displej a jeho rozlišení 4,3 palce rozlišení 480x800 pixelů pro snadné ovládání a čtení a schopnost zobrazit 16 milionů barev.
Technologie 3G data, WiFi, BlueTooth, GPS přijímač, fotoaparát 3 Mpix, autofokus, diodový blesk.
Výdrž baterie minimálně 1 den a více.
3G internet.
ListFragment show only one item issue
Try to change layout_width to 0dp
Try to change layout_width to 0dp
<fragment android:name="cz.okhelp.android.fragchangfromlist.ArticleFragment"
android:id="@+id/article_fragment"
android:layout_weight="2"
android:layout_width="0dp"
android:layout_height="match_parent" />
<!--todo LAYOUT_WIDTH have to be 0dp !!!!!!!!!!!!!!!!!!!!! -->
<FrameLayout android:id="@+id/article_fragment"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2" />
public class Panel extends SurfaceView implements SurfaceHolder.Callback {
//............... code
//............... some code
/**
* Process the MotionEvent.
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
synchronized (getHolder()) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
performClick();
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
if(_currentGraphic==null)return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
}
return true;
}
}
/////////////////////////////
@Override
public boolean performClick() {
// Calls the super implementation, which generates an AccessibilityEvent
// and calls the onClick() listener on the view, if any
super.performClick();
// Handle the action for the custom click here
return true;
}
}
public static Bitmap createBitmap (int[] colors, int offset, int stride, int width, int height, Bitmap.Config config)
public void drawBitmap (Bitmap bitmap, float left, float top, Paint paint)
public void drawBitmap (Bitmap bitmap, float left, float top, Paint paint)
// //www.apache.org/licenses/LICENSE-2.0
public class MainActivity extends Activity {
private static final int WIDTH = 50;
private static final int HEIGHT = 50;
private static final int STRIDE = 64; // must be >= WIDTH
private static int[] createColors() {
int[] colors = new int[STRIDE * HEIGHT];
for (int y = 0; y < HEIGHT; y++) {
for (int x = 0; x < WIDTH; x++) {
int r = x * 255 / (WIDTH - 1);
int g = y * 255 / (HEIGHT - 1);
int b = 255 - Math.min(r, g);
int a = Math.max(r, g);
colors[y * STRIDE + x] = (a << 24) | (r << 16) | (g << 8) | b;
}
}
return colors;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static class SampleView extends View {
// CONSTRUCTOR
public SampleView(Context context) {
super(context);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
Paint paint = new Paint();
canvas.drawColor(Color.GREEN);
int[] mColors = createColors();
int[] colors = mColors;
Bitmap bitmap = Bitmap.createBitmap(colors, 0, STRIDE, WIDTH, HEIGHT,
Bitmap.Config.RGB_565);
canvas.drawBitmap(bitmap, 50,20, paint);
}
}
}
If you using GoogleAdMobAdsSdk-4.0.4.jar in your project and set android:targetSdkVersion="17" in AndroidManifest.xml , ads will not visible on emulator with Android 4.0.3 or 4.1.
You have to set as android:targetSdkVersion="17"
Update project.properties file - row with target to 17:
You have to set as android:targetSdkVersion="17"
<uses-sdk android:minSdkVersion="4"
android:targetSdkVersion="17" />
Update project.properties file - row with target to 17:
# Project target.
target=android-17
Editace: 2016-02-25 19:32:45
Počet článků v kategorii: 396
Url:start-activity-from-list-launches-other-activities-from-list