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Fix screen freeze when changing display size in Multi-Window mode

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The device screen freezes when launching two Display size settings
screen and changing display size in Multi-Window mode.
To fix this issue, OnSeekBarChangeListener should be set in onStart() to
avoid onProgressChanged() is called during onRestoreInstanceState which
is caused by display size change.

Fixes: 70253030
Test: manual - open two Display size settings in Multi-Window mode.

Change-Id: I779954aeeb1da526ba1b0fac2676e2f7d8289352
This commit is contained in:
Wang wenrui
2017-02-13 12:51:24 +08:00
committed by Yoshinori Hirano
parent 9afa720abe
commit 09c44bf78d
1 changed files with 25 additions and 11 deletions
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36
src/com/android/settings/PreviewSeekBarPreferenceFragment.java
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@@ -58,6 +58,7 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
private DotsPageIndicator mPageIndicator;
private TextView mLabel;
private LabeledSeekBar mSeekBar;
private View mLarger;
private View mSmaller;
@@ -110,19 +111,17 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
// seek bar.
final int max = Math.max(1, mEntries.length - 1);
final LabeledSeekBar seekBar = (LabeledSeekBar) content.findViewById(R.id.seek_bar);
seekBar.setLabels(mEntries);
seekBar.setMax(max);
seekBar.setProgress(mInitialIndex);
seekBar.setOnSeekBarChangeListener(new onPreviewSeekBarChangeListener());
mSeekBar = (LabeledSeekBar) content.findViewById(R.id.seek_bar);
mSeekBar.setLabels(mEntries);
mSeekBar.setMax(max);
mSmaller = content.findViewById(R.id.smaller);
mSmaller.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final int progress = seekBar.getProgress();
final int progress = mSeekBar.getProgress();
if (progress > 0) {
seekBar.setProgress(progress - 1, true);
mSeekBar.setProgress(progress - 1, true);
}
}
});
@@ -131,9 +130,9 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
mLarger.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final int progress = seekBar.getProgress();
if (progress < seekBar.getMax()) {
seekBar.setProgress(progress + 1, true);
final int progress = mSeekBar.getProgress();
if (progress < mSeekBar.getMax()) {
mSeekBar.setProgress(progress + 1, true);
}
}
});
@@ -141,7 +140,7 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
if (mEntries.length == 1) {
// The larger and smaller buttons will be disabled when we call
// setPreviewLayer() later in this method.
seekBar.setEnabled(false);
mSeekBar.setEnabled(false);
}
final Context context = getContext();
@@ -172,6 +171,21 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
return root;
}
@Override
public void onStart() {
super.onStart();
// Set SeekBar listener here to avoid onProgressChanged() is called
// during onRestoreInstanceState().
mSeekBar.setProgress(mCurrentIndex);
mSeekBar.setOnSeekBarChangeListener(new onPreviewSeekBarChangeListener());
}
@Override
public void onStop() {
super.onStop();
mSeekBar.setOnSeekBarChangeListener(null);
}
/**
* Creates new configuration based on the current position of the SeekBar.
*/