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PO
 

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  1. PO
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    <p>My previous method had problem with memory consume. I had improved it to use TranslateAnimation. BUT it has little LAG (pay attention on HACK comment in ProgressBgView.initAnimation method)</p> <p>Layout xml :</p> <pre><code> &lt;com.example.tweenanimation.ProgressBgView android:layout_height="wrap_content" android:layout_width="match_parent" android:id="@+id/progress_db_view" /&gt; </code></pre> <p>Backend :</p> <pre><code> final ProgressBgView prog = (ProgressBgView) findViewById(R.id.progress_db_view); prog.setBackgroundAsTile(R.drawable.bg_tile_1); prog.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { prog.startAnimation(); } }); </code></pre> <p>And the class :</p> <pre><code>public class ProgressBgView extends FrameLayout { private ImageView mProgressImage; private TranslateAnimation mProgressAnimation; public ProgressBgView(Context context, AttributeSet attrs) { super(context, attrs); mProgressImage = new ImageView(getContext()); FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT); mProgressImage.setLayoutParams(layoutParams); addView(mProgressImage); } public void setBackgroundAsTile(int tileImageResId) { Bitmap tileBitmap = BitmapFactory.decodeResource(getResources(), tileImageResId); BitmapDrawable tileRepeatedBitmap = new BitmapDrawable(getResources(), tileBitmap); tileRepeatedBitmap.setTileModeX(TileMode.REPEAT); initAnimation(tileBitmap.getWidth()); mProgressImage.setBackgroundDrawable(tileRepeatedBitmap); } private void initAnimation(int tileImageWidth) { FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) mProgressImage.getLayoutParams(); layoutParams.setMargins(-tileImageWidth, 0, 0, 0); // *HACK* tileImageWidth-3 is used because of *lags*(slow pause) in the moment // of animation END-RESTART. mProgressAnimation = new TranslateAnimation(0, tileImageWidth - 3, 0, 0); mProgressAnimation.setInterpolator(new LinearInterpolator()); mProgressAnimation.setDuration(1000); mProgressAnimation.setRepeatCount(Animation.INFINITE); } public void startAnimation() { mProgressImage.startAnimation(mProgressAnimation); } } </code></pre>
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    1. POAndroid: Custom Horizontal Progress Bar Animation
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    1. USuser1269737
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    1. COI found that this solution had problem on Android 2.3 (last tile was jumping), the solution from Apr 3 at 13:24 was also working on Gingerbread.
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      1. USzilinx
 

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