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New feature “Text and reading options” for SetupWizard, Wallpaper, and Settings (8/n).

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- Extending the LabeledSeekBarPreference
1) Add new attributes, "iconStart", "iconEnd",
"iconStartContentDescription", "iconEndContentDescription"
2) Add new interface setOnSeekBarChangeListener
- It will be integrated with display/font size items in next patches.

Bug: 211503117
Test: make -j64 RunSettingsRoboTests ROBOTEST_FILTER=LabeledSeekBarPreferenceTest
Change-Id: Id8fe4fb68062c0e92ca4c291d2f7c47303e8691e
This commit is contained in:
Peter_Liang
2022-01-19 21:41:17 +08:00
parent 53efa5be66
commit cc5808cbd7
5 changed files with 341 additions and 16 deletions
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145
src/com/android/settings/widget/LabeledSeekBarPreference.java
View File

@@ -21,6 +21,8 @@ import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.TextView;
@@ -28,17 +30,40 @@ import androidx.annotation.Nullable;
import androidx.core.content.res.TypedArrayUtils;
import androidx.preference.PreferenceViewHolder;
import com.android.internal.util.Preconditions;
import com.android.settings.R;
/** A slider preference with left and right labels **/
/**
* A labeled {@link SeekBarPreference} with left and right text label, icon label, or both.
*
* <p>
* The component provides the attribute usage below.
* <attr name="textStart" format="reference" />
* <attr name="textEnd" format="reference" />
* <attr name="tickMark" format="reference" />
* <attr name="iconStart" format="reference" />
* <attr name="iconEnd" format="reference" />
* <attr name="iconStartContentDescription" format="reference" />
* <attr name="iconEndContentDescription" format="reference" />
* </p>
*
* <p> If you set the attribute values {@code iconStartContentDescription} or {@code
* iconEndContentDescription} from XML, you must also set the corresponding attributes {@code
* iconStart} or {@code iconEnd}, otherwise throws an {@link IllegalArgumentException}.</p>
*/
public class LabeledSeekBarPreference extends SeekBarPreference {
private final int mTextStartId;
private final int mTextEndId;
private final int mTickMarkId;
private final int mIconStartId;
private final int mIconEndId;
private final int mIconStartContentDescriptionId;
private final int mIconEndContentDescriptionId;
private OnPreferenceChangeListener mStopListener;
@Nullable
private CharSequence mSummary;
private SeekBar.OnSeekBarChangeListener mSeekBarChangeListener;
public LabeledSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
@@ -56,6 +81,25 @@ public class LabeledSeekBarPreference extends SeekBarPreference {
R.string.summary_placeholder);
mTickMarkId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_tickMark, /* defValue= */ 0);
mIconStartId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_iconStart, /* defValue= */ 0);
mIconEndId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_iconEnd, /* defValue= */ 0);
mIconStartContentDescriptionId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_iconStartContentDescription,
/* defValue= */ 0);
Preconditions.checkArgument(!(mIconStartContentDescriptionId != 0 && mIconStartId == 0),
"The resource of the iconStart attribute may be invalid or not set, "
+ "you should set the iconStart attribute and have the valid resource.");
mIconEndContentDescriptionId = styledAttrs.getResourceId(
R.styleable.LabeledSeekBarPreference_iconEndContentDescription,
/* defValue= */ 0);
Preconditions.checkArgument(!(mIconEndContentDescriptionId != 0 && mIconEndId == 0),
"The resource of the iconEnd attribute may be invalid or not set, "
+ "you should set the iconEnd attribute and have the valid resource.");
mSummary = styledAttrs.getText(R.styleable.Preference_android_summary);
styledAttrs.recycle();
}
@@ -75,10 +119,9 @@ public class LabeledSeekBarPreference extends SeekBarPreference {
startText.setText(mTextStartId);
endText.setText(mTextEndId);
final SeekBar seekBar = (SeekBar) holder.findViewById(com.android.internal.R.id.seekbar);
if (mTickMarkId != 0) {
final Drawable tickMark = getContext().getDrawable(mTickMarkId);
final SeekBar seekBar = (SeekBar) holder.findViewById(
com.android.internal.R.id.seekbar);
seekBar.setTickMark(tickMark);
}
@@ -90,19 +133,52 @@ public class LabeledSeekBarPreference extends SeekBarPreference {
summary.setText(null);
summary.setVisibility(View.GONE);
}
final ViewGroup iconStartFrame = (ViewGroup) holder.findViewById(R.id.icon_start_frame);
final ImageView iconStartView = (ImageView) holder.findViewById(R.id.icon_start);
updateIconStartIfNeeded(iconStartFrame, iconStartView, seekBar);
final ViewGroup iconEndFrame = (ViewGroup) holder.findViewById(R.id.icon_end_frame);
final ImageView iconEndView = (ImageView) holder.findViewById(R.id.icon_end);
updateIconEndIfNeeded(iconEndFrame, iconEndView, seekBar);
}
public void setOnPreferenceChangeStopListener(OnPreferenceChangeListener listener) {
mStopListener = listener;
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
super.onStartTrackingTouch(seekBar);
if (mSeekBarChangeListener != null) {
mSeekBarChangeListener.onStartTrackingTouch(seekBar);
}
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
super.onProgressChanged(seekBar, progress, fromUser);
if (mSeekBarChangeListener != null) {
mSeekBarChangeListener.onProgressChanged(seekBar, progress, fromUser);
}
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
super.onStopTrackingTouch(seekBar);
if (mSeekBarChangeListener != null) {
mSeekBarChangeListener.onStopTrackingTouch(seekBar);
}
if (mStopListener != null) {
mStopListener.onPreferenceChange(this, seekBar.getProgress());
}
// Need to update the icon enabled status
notifyChanged();
}
@Override
@@ -123,5 +199,68 @@ public class LabeledSeekBarPreference extends SeekBarPreference {
public CharSequence getSummary() {
return mSummary;
}
public void setOnSeekBarChangeListener(SeekBar.OnSeekBarChangeListener seekBarChangeListener) {
mSeekBarChangeListener = seekBarChangeListener;
}
private void updateIconStartIfNeeded(ViewGroup iconFrame, ImageView iconStart,
SeekBar seekBar) {
if (mIconStartId == 0) {
return;
}
if (iconStart.getDrawable() == null) {
iconStart.setImageResource(mIconStartId);
}
if (mIconStartContentDescriptionId != 0) {
final String contentDescription =
iconFrame.getContext().getString(mIconStartContentDescriptionId);
iconFrame.setContentDescription(contentDescription);
}
iconFrame.setOnClickListener((view) -> {
final int progress = getProgress();
if (progress > 0) {
setProgress(progress - 1);
}
});
iconFrame.setVisibility(View.VISIBLE);
setIconViewAndFrameEnabled(iconStart, seekBar.getProgress() > 0);
}
private void updateIconEndIfNeeded(ViewGroup iconFrame, ImageView iconEnd, SeekBar seekBar) {
if (mIconEndId == 0) {
return;
}
if (iconEnd.getDrawable() == null) {
iconEnd.setImageResource(mIconEndId);
}
if (mIconEndContentDescriptionId != 0) {
final String contentDescription =
iconFrame.getContext().getString(mIconEndContentDescriptionId);
iconFrame.setContentDescription(contentDescription);
}
iconFrame.setOnClickListener((view) -> {
final int progress = getProgress();
if (progress < getMax()) {
setProgress(progress + 1);
}
});
iconFrame.setVisibility(View.VISIBLE);
setIconViewAndFrameEnabled(iconEnd, seekBar.getProgress() < seekBar.getMax());
}
private static void setIconViewAndFrameEnabled(View iconView, boolean enabled) {
iconView.setEnabled(enabled);
final ViewGroup iconFrame = (ViewGroup) iconView.getParent();
iconFrame.setEnabled(enabled);
}
}