Eric Kok
9 years ago
19 changed files with 151 additions and 215 deletions
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package org.transdroid.core.gui.settings; |
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import org.transdroid.R; |
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import android.content.Context; |
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import android.content.res.TypedArray; |
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import android.os.Build; |
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import android.preference.Preference; |
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import android.util.AttributeSet; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.view.ViewGroup; |
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import android.widget.ImageButton; |
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/** |
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* A {@link Preference} item that shows an extra overflow button at the right side of the screen. The action attached to |
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* this button is set using {@link #setOnOverflowClickedListener(OnOverflowClicked)}. Normal clicks on this preference |
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* are handled in the standard way. |
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* @author Eric Kok |
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*/ |
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public class OverflowPreference extends Preference { |
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private OnPreferenceClickListener onPreferenceClickListener = null; |
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private OnOverflowClicked onOverflowClickedListener = null; |
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private ImageButton overflowButton = null; |
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public OverflowPreference(Context context) { |
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super(context); |
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init(); |
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} |
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public OverflowPreference(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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init(); |
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} |
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public OverflowPreference(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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init(); |
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} |
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@Override |
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protected View onCreateView(ViewGroup parent) { |
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View layout = super.onCreateView(parent); |
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// Since the Preference layout is now created, we can attach the proper click listeners
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layout.setClickable(true); |
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layout.setFocusable(true); |
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// When setting the background drawable the padding on this Preference layout disappears, so add it again
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int bottom = layout.getPaddingBottom(); |
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int top = layout.getPaddingTop(); |
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int right = layout.getPaddingRight(); |
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int left = layout.getPaddingLeft(); |
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TypedArray ta = getContext().obtainStyledAttributes(new int[] { android.R.attr.selectableItemBackground }); |
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layout.setBackgroundDrawable(ta.getDrawable(0)); |
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ta.recycle(); |
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layout.setPadding(left, top, right, bottom); |
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layout.setOnClickListener(new OnClickListener() { |
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@Override |
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public void onClick(View v) { |
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if (onPreferenceClickListener != null) |
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onPreferenceClickListener.onPreferenceClick(OverflowPreference.this); |
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} |
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}); |
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overflowButton = (ImageButton) layout.findViewById(R.id.overflow_button); |
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overflowButton.setOnClickListener(new OnClickListener() { |
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@Override |
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public void onClick(View v) { |
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if (onOverflowClickedListener != null) |
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onOverflowClickedListener.onOverflowClicked(v); |
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} |
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}); |
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return layout; |
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} |
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public void init() { |
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// Load an overflow-style image button as custom widget in the right of this Preference layout
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setWidgetLayoutResource(R.layout.pref_withoverflow); |
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} |
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/** |
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* Hides the overflow button (on the right side of the Preference) from the UI. |
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*/ |
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public void hideOverflowButton() { |
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if (overflowButton != null) { |
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overflowButton.setVisibility(View.GONE); |
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} |
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} |
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/** |
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* Shows (after hiding it) the overflow button (on the right side of the Preference) in the UI. |
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*/ |
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public void showOverflowButton() { |
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if (overflowButton != null) { |
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overflowButton.setVisibility(View.VISIBLE); |
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} |
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} |
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@Override |
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public void setOnPreferenceClickListener(OnPreferenceClickListener onPreferenceClickListener) { |
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// Instead of the build-in list item click behaviour, we have to manually assign the click listener to this
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// Preference item, as we stole the focus behaviour when we added a Button to the Preference layout
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this.onPreferenceClickListener = onPreferenceClickListener; |
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} |
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/** |
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* Registers the listener for clicks on the overflow button contained in this preference. |
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* @param onOverflowClickedListener The overflow button click listener |
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*/ |
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public void setOnOverflowClickedListener(OnOverflowClicked onOverflowClickedListener) { |
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this.onOverflowClickedListener = onOverflowClickedListener; |
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} |
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/** |
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* An interface to be implemented by any activity (or otherwise) that wants to handle events when the contained |
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* overflow button is clicked. |
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*/ |
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public interface OnOverflowClicked { |
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public void onOverflowClicked(View overflowButton); |
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} |
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} |
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@ -0,0 +1,65 @@ |
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package org.transdroid.core.gui.settings; |
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import android.content.res.Configuration; |
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import android.os.Bundle; |
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import android.preference.PreferenceActivity; |
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import android.support.v7.app.ActionBar; |
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import android.support.v7.app.AppCompatCallback; |
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import android.support.v7.app.AppCompatDelegate; |
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import android.support.v7.view.ActionMode; |
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public class PreferenceCompatActivity extends PreferenceActivity implements AppCompatCallback { |
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private AppCompatDelegate acd; |
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@Override |
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protected void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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acd = AppCompatDelegate.create(this, this); |
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acd.onCreate(savedInstanceState); |
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} |
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@Override |
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protected void onPostCreate(Bundle savedInstanceState) { |
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super.onPostCreate(savedInstanceState); |
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acd.onPostCreate(savedInstanceState); |
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} |
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@Override |
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public void onConfigurationChanged(Configuration newConfig) { |
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super.onConfigurationChanged(newConfig); |
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acd.onConfigurationChanged(newConfig); |
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} |
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@Override |
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public void setTitle(CharSequence title) { |
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super.setTitle(title); |
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acd.setTitle(title); |
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} |
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@Override |
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protected void onStop() { |
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super.onStop(); |
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acd.onStop(); |
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} |
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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acd.onDestroy(); |
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} |
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public ActionBar getSupportActionBar() { |
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return acd.getSupportActionBar(); |
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} |
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@Override |
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public void onSupportActionModeStarted(ActionMode actionMode) { |
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} |
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@Override |
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public void onSupportActionModeFinished(ActionMode actionMode) { |
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} |
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} |
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