Copy save Bitmap Image Pictures Android example
Copy file to another
Copy and compress file
File path = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES);
File file = new File(path, "MyPicture.jpg");
// the Pictures directory exists?
path.mkdirs();
InputStream is = getResources().openRawResource(R.drawable.flower_blue);
OutputStream os = new FileOutputStream(file);
byte[] data = new byte[is.available()];
is.read(data);
os.write(data);
is.close();
os.close();
Copy and compress file
Bitmap bitmapOrg = BitmapFactory.decodeResource(getResources(),
R.drawable.flower_blue);
try {
FileOutputStream out = new FileOutputStream("new_bitmap.jpg");
bitmapOrg.compress(Bitmap.CompressFormat.JPEG, 90, out);
} catch (Exception e) {
e.printStackTrace();
Log.e("saveBitmap", e.getMessage());
}
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ScrollTo(), getTop(), getBottom(), getLeft(), getRight(), ScrollView, LinearLayout Android Java xml example.
How get position of a View.
MainClass.java
main.xml
How get position of a View.
MainClass.java
/*
public void scrollTo (int x, int y)
Since: API Level 1
Set the scrolled position of your view. This will cause a call to onScrollChanged(int, int, int, int) and the view will be invalidated.
This version also clamps the scrolling to the bounds of our child.
Parameters
x the x position to scroll to
y the y position to scroll to
*/
// sroll to top of hscrollViewMain
ScrollView hscrollViewMain = (ScrollView)findViewById(R.id.scrollViewMain);
hscrollViewMain.scrollTo(0, 0); // scroll to application top
// get position of a View
EditText hEdit = (EditText)findViewById(R.id.username_edit);
int nY_Pos = hEdit.getTop(); // getBottom(); X_pos getLeft(); getRight();
// scroll to top of hEdit
hscrollViewMain.scrollTo(0,nY_Pos);
main.xml
<LinearLayout
xmlns:android="//schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<ScrollView
android:id="@*id/scrollViewMain"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingTop="5dip"
android:paddingBottom="13dip"
android:paddingLeft="20dip"
android:paddingRight="20dip">
<TextView
android:id="@+id/message"
android:textAppearance="?android:attr/textAppearanceSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="5dip" />
<TextView
android:textAppearance="?android:attr/textAppearanceSmall"
android:textStyle="bold"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/login_activity_username_label" />
<EditText
android:id="@+id/username_edit"
android:singleLine="true"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:minWidth="250dip"
android:scrollHorizontally="true"
android:capitalize="none"
android:autoText="false"
android:inputType="textEmailAddress" />
</LinearLayout>
</ScrollView>
</LinearLayout>
In your project AndroidManifest.xml you can set permission of Android application example source code.
For example if you want allow your application connection to INTERNET you have to permit this in AndroidManifest.xml.
WebViev show error: Website Not Available you have to permit INTERNET
For example if you want allow your application connection to INTERNET you have to permit this in AndroidManifest.xml.
WebViev show error: Website Not Available you have to permit INTERNET
<uses-permission
android:name="android.permission.INTERNET" />
<uses-permission
android:name="android.permission.GET_ACCOUNTS" />
<uses-permission
android:name="android.permission.USE_CREDENTIALS" />
<uses-permission
android:name="android.permission.MANAGE_ACCOUNTS" />
<uses-permission
android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
<uses-permission
android:name="android.permission.WRITE_SETTINGS" />
<uses-permission
android:name="android.permission.WRITE_SECURE_SETTINGS" />
<uses-permission
android:name="android.permission.READ_CONTACTS" />
<uses-permission
android:name="android.permission.WRITE_CONTACTS" />
<uses-permission
android:name="android.permission.READ_SYNC_STATS" />
<uses-permission
android:name="android.permission.READ_SYNC_SETTINGS" />
<uses-permission
android:name="android.permission.WRITE_SYNC_SETTINGS" />
MainActivity.java
res/layout/main.xml
res/drawable/my_progress.xml
ProgressBar mProgressBarScore;
// onCreate
mProgressBarScore = (ProgressBar)findViewById(R.id.progressBarScore);
Resources res = getResources();
mProgressBarScore.setProgressDrawable(res.getDrawable( R.drawable.my_progress));
res/layout/main.xml
<ProgressBar
android:id="@+id/progressBarScore"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:max="100"/>
res/drawable/my_progress.xml
-
android:startColor="#FF001A"
android:centerColor="#ff5a5d5a"
android:centerY="0.75"
android:endColor="#FF001A"
android:angle="270"
/>
-
android:startColor="#80ffd300"
android:centerColor="#80ffb600"
android:centerY="0.75"
android:endColor="#a0ffcb00"
android:angle="270"
/>
android:id="@android:id/progress"
>
android:radius="10dip" />
android:startColor="#00ff00"
android:centerColor="#80ffb600"
android:centerY="0.75"
android:endColor="#339900"
android:angle="270" />
Try before html tags put space and check if every tag is closed b - /b.
For example:
"java.lang.IndexOutOfBoundsException
at android.graphics.Paint.getTextRunAdvances(Paint.java:1731)
at android.graphics.Paint.getTextRunAdvances(Paint.java:1704)
at android.text.MeasuredText.addStyleRun(MeasuredText.java:164)
at android.text.MeasuredText.addStyleRun(MeasuredText.java:204)
at android.text.StaticLayout.generate(StaticLayout.java:281)
at android.text.StaticLayout.(StaticLayout.java:140)
at android.text.StaticLayout.(StaticLayout.java:80)
at android.text.StaticLayout.(StaticLayout.java:59)
at android.widget.TextView.makeSingleLayout(TextView.java:5901)
at android.widget.TextView.makeNewLayout(TextView.java:5741)
at android.widget.TextView.onMeasure(TextView.java:6098)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1390)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:681)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:574)
at android.view.View.measure(View.java:15172)
at android.widget.ListView.setupChild(ListView.java:1847)
at android.widget.ListView.makeAndAddView(ListView.java:1772)
at android.widget.ListView.fillDown(ListView.java:672)
at android.widget.ListView.fillSpecific(ListView.java:1330)
at android.widget.ListView.layoutChildren(ListView.java:1600)
at android.widget.AbsListView.onLayout(AbsListView.java:2102)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1649)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1507)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1420)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1649)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1507)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1420)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1866)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1687)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4212)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
at android.view.Choreographer.doCallbacks(Choreographer.java:555)
at android.view.Choreographer.doFrame(Choreographer.java:525)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
"
For example:
My text (<i>some text</i>) blah blah...
Change to:
My text ( <i>some text</i>) blah blah...
"java.lang.IndexOutOfBoundsException
at android.graphics.Paint.getTextRunAdvances(Paint.java:1731)
at android.graphics.Paint.getTextRunAdvances(Paint.java:1704)
at android.text.MeasuredText.addStyleRun(MeasuredText.java:164)
at android.text.MeasuredText.addStyleRun(MeasuredText.java:204)
at android.text.StaticLayout.generate(StaticLayout.java:281)
at android.text.StaticLayout.
at android.text.StaticLayout.
at android.text.StaticLayout.
at android.widget.TextView.makeSingleLayout(TextView.java:5901)
at android.widget.TextView.makeNewLayout(TextView.java:5741)
at android.widget.TextView.onMeasure(TextView.java:6098)
at android.view.View.measure(View.java:15172)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4814)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1390)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:681)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:574)
at android.view.View.measure(View.java:15172)
at android.widget.ListView.setupChild(ListView.java:1847)
at android.widget.ListView.makeAndAddView(ListView.java:1772)
at android.widget.ListView.fillDown(ListView.java:672)
at android.widget.ListView.fillSpecific(ListView.java:1330)
at android.widget.ListView.layoutChildren(ListView.java:1600)
at android.widget.AbsListView.onLayout(AbsListView.java:2102)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1649)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1507)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1420)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1649)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1507)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1420)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:13754)
at android.view.ViewGroup.layout(ViewGroup.java:4362)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1866)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1687)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4212)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
at android.view.Choreographer.doCallbacks(Choreographer.java:555)
at android.view.Choreographer.doFrame(Choreographer.java:525)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
"
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));
}
}
Editace: 2011-11-17 21:42:23
Počet článků v kategorii: 396
Url:save-bitmap-image-android-example