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2014/10/16 ¤W¤È 08:22:57
android Programming Glossary: rlPorterduffXfermode: Clear a section of a bitmap http://stackoverflow.com/questions/11337679/porterduffxfermode-clear-a-section-of-a-bitmap and over the top of it draw shapes that ERASE the underlying area of the bitmap. I have created simple proof of concept.. a slight border to show the pink background and yellow overlaying circles representing each PorterDuffXfermode. import android.app.Activity.. Window.FEATURE_NO_TITLE RelativeLayout.LayoutParams rlp null Create the view for the xfermode test d new Drawing this..
Android color picker to be included in the activity http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity DrawingView dv RelativeLayout rl private Paint mPaint private MaskFilter mEmboss private MaskFilter.. Paint.Cap.ROUND mPaint.setStrokeWidth 12 rl RelativeLayout findViewById R.id.rl rl.addView dv Button b Button.. 12 rl RelativeLayout findViewById R.id.rl rl.addView dv Button b Button findViewById R.id.button1 b.setText..
Take screensot and save android http://stackoverflow.com/questions/16489086/take-screensot-and-save-android android layout_height match_parent android id @ id rl tools context .Preview ImageView android id @ id imageView1.. android layout_height match_parent android id @ id rl tools context .MainActivity Button android id @ id button1 android.. public class MainActivity extends Activity RelativeLayout rl final int PIC_CROP 1 ImageView iv File file @Override protected..
http://stackoverflow.com/questions/20225265/pinch-zoom-and-pan inflater.inflate R.layout.motor_block null RelativeLayout rl RelativeLayout findViewById R.id.layout rl.addView iv This works.. RelativeLayout rl RelativeLayout findViewById R.id.layout rl.addView iv This works fine but when I add more Views the screen.. want to add zoom. I tried to use a WebView RelativeLayout rl RelativeLayout findViewById R.id.layout WebView wv WebView findViewById..
set the absolute position of a view in Android http://stackoverflow.com/questions/3294590/set-the-absolute-position-of-a-view-in-android RelativeLayout from your layout xml RelativeLayout rl RelativeLayout findViewById R.id.my_relative_layout ImageView.. 30 40 params.leftMargin 50 params.topMargin 60 rl.addView iv params More examples Places two 30x40 ImageViews.. one red at 50 60 and 80 90 respectively RelativeLayout rl RelativeLayout findViewById R.id.my_relative_layout ImageView..
Horizontal scrolling grid view http://stackoverflow.com/questions/5725745/horizontal-scrolling-grid-view setContentView R.layout.main LinearLayout rl LinearLayout findViewById R.id.widget92 LinearLayout.LayoutParams.. btn i j .setMinimumHeight 20 params1.setMargins 5 5 5 5 rl.addView btn i j params1 System.out.println 1 btn i j .getTop..
Show my Layout while SurfaceView is loading Camera Preview http://stackoverflow.com/questions/7119164/show-my-layout-while-surfaceview-is-loading-camera-preview private void startCamera RelativeLayout rl RelativeLayout findViewById R.id.surface_camera SurfaceView.. e Log.d debug Another exception e.printStackTrace if rl null surfaceView null rl.addView surfaceView private void setContent.. exception e.printStackTrace if rl null surfaceView null rl.addView surfaceView private void setContent setContentView..
how can i select and kill multiple application http://stackoverflow.com/questions/8851829/how-can-i-select-and-kill-multiple-application for int i 0 i adapter.getCount i RelativeLayout rl RelativeLayout lv.getChildAt i TaskObject to adapter.getItem.. i TaskObject to adapter.getItem i CheckBox cb CheckBox rl.getChildAt 0 if to.isToKill tol.add to return tol @Override.. inflater.inflate R.layout.taskitem null RelativeLayout rl new RelativeLayout context TextView textPid new TextView context..
PorterduffXfermode: Clear a section of a bitmap http://stackoverflow.com/questions/11337679/porterduffxfermode-clear-a-section-of-a-bitmap Clear a section of a bitmap The goal is simply to draw a bitmap and over the top of it draw shapes that ERASE the underlying area of the bitmap. I have created simple proof of concept code to try and understand how exactly I should go about.. draws on its canvas a pink background the bitmap image with a slight border to show the pink background and yellow overlaying circles representing each PorterDuffXfermode. import android.app.Activity import android.content.Context import android.graphics.Bitmap.. super.onCreate savedInstanceState requestWindowFeature Window.FEATURE_NO_TITLE RelativeLayout.LayoutParams rlp null Create the view for the xfermode test d new Drawing this rlp new RelativeLayout.LayoutParams 600 900 rlp.addRule RelativeLayout.CENTER_IN_PARENT..
Android color picker to be included in the activity http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity class MainActivity extends Activity implements ColorPickerDialog.OnColorChangedListener DrawingView dv RelativeLayout rl private Paint mPaint private MaskFilter mEmboss private MaskFilter mBlur @Override protected void onCreate Bundle savedInstanceState.. Paint.Style.STROKE mPaint.setStrokeJoin Paint.Join.ROUND mPaint.setStrokeCap Paint.Cap.ROUND mPaint.setStrokeWidth 12 rl RelativeLayout findViewById R.id.rl rl.addView dv Button b Button findViewById R.id.button1 b.setText R.string.France Button.. Paint.Join.ROUND mPaint.setStrokeCap Paint.Cap.ROUND mPaint.setStrokeWidth 12 rl RelativeLayout findViewById R.id.rl rl.addView dv Button b Button findViewById R.id.button1 b.setText R.string.France Button b1 Button findViewById R.id.button2..
Take screensot and save android http://stackoverflow.com/questions/16489086/take-screensot-and-save-android http schemas.android.com tools android layout_width match_parent android layout_height match_parent android id @ id rl tools context .Preview ImageView android id @ id imageView1 android layout_width fill_parent android layout_height 80dp.. http schemas.android.com tools android layout_width match_parent android layout_height match_parent android id @ id rl tools context .MainActivity Button android id @ id button1 android layout_width wrap_content android layout_height wrap_content.. android src @drawable afor RelativeLayout My Activity class public class MainActivity extends Activity RelativeLayout rl final int PIC_CROP 1 ImageView iv File file @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState..
http://stackoverflow.com/questions/20225265/pinch-zoom-and-pan Context.LAYOUT_INFLATER_SERVICE View iv inflater.inflate R.layout.motor_block null RelativeLayout rl RelativeLayout findViewById R.id.layout rl.addView iv This works fine but when I add more Views the screen gets filled up.. View iv inflater.inflate R.layout.motor_block null RelativeLayout rl RelativeLayout findViewById R.id.layout rl.addView iv This works fine but when I add more Views the screen gets filled up with them so I need a way to extend the size.. size by adding pan so I can go through all the views. I also want to add zoom. I tried to use a WebView RelativeLayout rl RelativeLayout findViewById R.id.layout WebView wv WebView findViewById R.id.webView1 wv.getSettings .setSupportZoom true..
set the absolute position of a view in Android http://stackoverflow.com/questions/3294590/set-the-absolute-position-of-a-view-in-android 50 60 inside your layout. Somewhere in your activity Some existing RelativeLayout from your layout xml RelativeLayout rl RelativeLayout findViewById R.id.my_relative_layout ImageView iv new ImageView this RelativeLayout.LayoutParams params new.. this RelativeLayout.LayoutParams params new RelativeLayout.LayoutParams 30 40 params.leftMargin 50 params.topMargin 60 rl.addView iv params More examples Places two 30x40 ImageViews one yellow one red at 50 60 and 80 90 respectively RelativeLayout.. iv params More examples Places two 30x40 ImageViews one yellow one red at 50 60 and 80 90 respectively RelativeLayout rl RelativeLayout findViewById R.id.my_relative_layout ImageView iv RelativeLayout.LayoutParams params iv new ImageView this..
Horizontal scrolling grid view http://stackoverflow.com/questions/5725745/horizontal-scrolling-grid-view void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main LinearLayout rl LinearLayout findViewById R.id.widget92 LinearLayout.LayoutParams params1 new LinearLayout.LayoutParams LayoutParams.WRAP_CONTENT.. R.drawable.icon btn i j .setMinimumWidth 20 btn i j .setMinimumHeight 20 params1.setMargins 5 5 5 5 rl.addView btn i j params1 System.out.println 1 btn i j .getTop System.out.println 2 btn i j .getLeft System.out.println..
Show my Layout while SurfaceView is loading Camera Preview http://stackoverflow.com/questions/7119164/show-my-layout-while-surfaceview-is-loading-camera-preview super.onCreate savedInstanceState setContent mContext getApplicationContext private void startCamera RelativeLayout rl RelativeLayout findViewById R.id.surface_camera SurfaceView surfaceView new SurfaceView mContext final SurfaceHolder mSurfaceHolder.. SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS catch Exception e Log.d debug Another exception e.printStackTrace if rl null surfaceView null rl.addView surfaceView private void setContent setContentView R.layout.scan Post the Runnable with.. catch Exception e Log.d debug Another exception e.printStackTrace if rl null surfaceView null rl.addView surfaceView private void setContent setContentView R.layout.scan Post the Runnable with a Slight delay than your..
how can i select and kill multiple application http://stackoverflow.com/questions/8851829/how-can-i-select-and-kill-multiple-application getTasksToKill List TaskObject tol new ArrayList TaskObject for int i 0 i adapter.getCount i RelativeLayout rl RelativeLayout lv.getChildAt i TaskObject to adapter.getItem i CheckBox cb CheckBox rl.getChildAt 0 if to.isToKill tol.add.. i RelativeLayout rl RelativeLayout lv.getChildAt i TaskObject to adapter.getItem i CheckBox cb CheckBox rl.getChildAt 0 if to.isToKill tol.add to return tol @Override protected void onDestroy super.onDestroy getApplicationContext.. LayoutInflater inflater LayoutInflater.from context View view inflater.inflate R.layout.taskitem null RelativeLayout rl new RelativeLayout context TextView textPid new TextView context textPid.setId 222222 textPid.setText Integer.toString getItem..
Android list view Right / Left swipes like call logs http://stackoverflow.com/questions/16017988/android-list-view-right-left-swipes-like-call-logs to View public class SwipeDetector implements View.OnTouchListener public static enum Action LR Left to right RL Right to left TB Top to bottom BT Bottom to top None Action not found private static final int HORIZONTAL_MIN_DISTANCE 30.. left or right if deltaX 0 mSwipeDetected Action.LR return true if deltaX 0 mSwipeDetected Action.RL return true else vertical swipe detection if Math.abs deltaY VERTICAL_MIN_DISTANCE top or down if deltaY 0 mSwipeDetected.. getApplicationContext Left to right Toast.LENGTH_SHORT .show if swipeDetector.getAction SwipeDetector.Action.RL Toast.makeText getApplicationContext Right to left Toast.LENGTH_SHORT .show But still I am not able to animate the swipe..
Setting parameters on child views of a RelativeLayout http://stackoverflow.com/questions/3885077/setting-parameters-on-child-views-of-a-relativelayout layout that I want to set 2 child textviews next to each other like this Second First So I have public class RL extends RelativeLayout public RL context TextView first new TextView this TextView second new TextView this first.setText.. 2 child textviews next to each other like this Second First So I have public class RL extends RelativeLayout public RL context TextView first new TextView this TextView second new TextView this first.setText 'First' first.setId 1 second.setText.. do I set the relative alignments android android layout relativelayout share improve this question public class RL extends RelativeLayout public RL Context context super context TextView first new TextView context TextView second new TextView..
http://stackoverflow.com/questions/4373485/android-swipe-on-list public class SwipeDetector implements View.OnTouchListener public static enum Action LR Left to Right RL Right to Left TB Top to bottom BT Bottom to Top None when no action was detected private static final String logTag SwipeDetector.. Right mSwipeDetected Action.LR return false if deltaX 0 Log.i logTag Swipe Right to Left mSwipeDetected Action.RL return false else if Math.abs deltaY MIN_DISTANCE vertical swipe detection top or down if deltaY 0 Log.i logTag.. to Right mSwipeDetected Action.LR return true if deltaX 0 Log.i logTag Swipe Right to Left mSwipeDetected Action.RL return true else vertical swipe detection if Math.abs deltaY VERTICAL_MIN_DISTANCE top or down if deltaY 0 Log.i..
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