Merge "Use META_HOME_ALTERNATE for home app uninstall target" into klp-dev (6741d4db) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/HomeSettings.java

+37 −6

Original line number	Original line	Diff line number	Diff line
	@@ -18,12 +18,14 @@ package com.android.settings;

	import java.util.ArrayList;		import java.util.ArrayList;

			import android.app.ActivityManager;
	import android.content.ComponentName;		import android.content.ComponentName;
	import android.content.Context;		import android.content.Context;
	import android.content.Intent;		import android.content.Intent;
	import android.content.IntentFilter;		import android.content.IntentFilter;
	import android.content.pm.ActivityInfo;		import android.content.pm.ActivityInfo;
	import android.content.pm.ApplicationInfo;		import android.content.pm.ApplicationInfo;
			import android.content.pm.PackageInfo;
	import android.content.pm.PackageManager;		import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;		import android.content.pm.ResolveInfo;
	import android.graphics.ColorFilter;		import android.graphics.ColorFilter;
	@@ -94,7 +96,7 @@ public class HomeSettings extends SettingsPreferenceFragment {

	void uninstallApp(HomeAppPreference pref) {		void uninstallApp(HomeAppPreference pref) {
	// Uninstallation is done by asking the OS to do it		// Uninstallation is done by asking the OS to do it
	Uri packageURI = Uri.parse("package:" + pref.activityName.getPackageName());		Uri packageURI = Uri.parse("package:" + pref.uninstallTarget);
	Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI);		Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI);
	uninstallIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, false);		uninstallIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, false);
	int requestCode = REQUESTING_UNINSTALL + (pref.isChecked ? 1 : 0);		int requestCode = REQUESTING_UNINSTALL + (pref.isChecked ? 1 : 0);
	@@ -144,9 +146,8 @@ public class HomeSettings extends SettingsPreferenceFragment {
	try {		try {
	Drawable icon = info.loadIcon(mPm);		Drawable icon = info.loadIcon(mPm);
	CharSequence name = info.loadLabel(mPm);		CharSequence name = info.loadLabel(mPm);
	boolean isSystem = (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
	HomeAppPreference pref = new HomeAppPreference(context, activityName, prefIndex,		HomeAppPreference pref = new HomeAppPreference(context, activityName, prefIndex,
	icon, name, this, isSystem);		icon, name, this, info);
	mPrefs.add(pref);		mPrefs.add(pref);
	mPrefGroup.addPreference(pref);		mPrefGroup.addPreference(pref);
	pref.setEnabled(true);		pref.setEnabled(true);
	@@ -186,14 +187,16 @@ public class HomeSettings extends SettingsPreferenceFragment {
	class HomeAppPreference extends Preference {		class HomeAppPreference extends Preference {
	ComponentName activityName;		ComponentName activityName;
	int index;		int index;
	boolean isSystem;
	HomeSettings fragment;		HomeSettings fragment;
	final ColorFilter grayscaleFilter;		final ColorFilter grayscaleFilter;
	boolean isChecked;		boolean isChecked;

			boolean isSystem;
			String uninstallTarget;

	public HomeAppPreference(Context context, ComponentName activity,		public HomeAppPreference(Context context, ComponentName activity,
	int i, Drawable icon, CharSequence title,		int i, Drawable icon, CharSequence title,
	HomeSettings parent, boolean sys) {		HomeSettings parent, ActivityInfo info) {
	super(context);		super(context);
	setLayoutResource(R.layout.preference_home_app);		setLayoutResource(R.layout.preference_home_app);
	setIcon(icon);		setIcon(icon);
	@@ -201,13 +204,41 @@ public class HomeSettings extends SettingsPreferenceFragment {
	activityName = activity;		activityName = activity;
	fragment = parent;		fragment = parent;
	index = i;		index = i;
	isSystem = sys;

	ColorMatrix colorMatrix = new ColorMatrix();		ColorMatrix colorMatrix = new ColorMatrix();
	colorMatrix.setSaturation(0f);		colorMatrix.setSaturation(0f);
	float[] matrix = colorMatrix.getArray();		float[] matrix = colorMatrix.getArray();
	matrix[18] = 0.5f;		matrix[18] = 0.5f;
	grayscaleFilter = new ColorMatrixColorFilter(colorMatrix);		grayscaleFilter = new ColorMatrixColorFilter(colorMatrix);

			determineTargets(info);
			}

			// Check whether this activity is bundled on the system, with awareness
			// of the META_HOME_ALTERNATE mechanism.
			private void determineTargets(ActivityInfo info) {
			final Bundle meta = info.metaData;
			if (meta != null) {
			final String altHomePackage = meta.getString(ActivityManager.META_HOME_ALTERNATE);
			if (altHomePackage != null) {
			try {
			final int match = mPm.checkSignatures(info.packageName, altHomePackage);
			if (match >= PackageManager.SIGNATURE_MATCH) {
			PackageInfo altInfo = mPm.getPackageInfo(altHomePackage, 0);
			final int altFlags = altInfo.applicationInfo.flags;
			isSystem = (altFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
			uninstallTarget = altInfo.packageName;
			return;
			}
			} catch (Exception e) {
			// e.g. named alternate package not found during lookup
			Log.w(TAG, "Unable to compare/resolve alternate", e);
			}
			}
			}
			// No suitable metadata redirect, so use the package's own info
			isSystem = (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
			uninstallTarget = info.packageName;
	}		}

	@Override		@Override