本文主要是介绍增加电量百分比功能，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
差分包：
--- a/idh.code/frameworks/base/core/java/android/provider/Settings.java
+++ b/idh.code/frameworks/base/core/java/android/provider/Settings.java
@@ -4519,6 +4519,10 @@ public final class Settings {*/public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ public static final String BATTERY_PERCENTAGE = "battery_percentage";
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/
+ /*** This are the settings to be backed up.*
diff --git a/idh.code/frameworks/base/packages/SettingsProvider/res/values/defaults.xml b/idh.code/frameworks/base/packages/SettingsPro
index 506c0b1..b4c7d8b 100755
--- a/idh.code/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
+++ b/idh.code/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
@@ -190,4 +190,6 @@<integer name="def_sms_validity">255</integer><!--tangjc add--><string name="time_12_24" translatable="false">24</string>
+ <!--Yang Liu add-->
+ <bool name="def_battery_percentage">false</bool></resources>
diff --git a/idh.code/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java b/idh.code/frame
index 22351dc..35b0554 100755
--- a/idh.code/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
+++ b/idh.code/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
@@ -2148,6 +2148,10 @@ public class DatabaseHelper extends SQLiteOpenHelper {R.string.config_default_input_method);}/* @} */
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ loadBooleanSetting(stmt, Settings.Secure.BATTERY_PERCENTAGE,
+ R.bool.def_battery_percentage);
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/ } finally {if (stmt != null) stmt.close();}
diff --git a/idh.code/frameworks/base/packages/SystemUI/res/layout/status_bar.xml b/idh.code/frameworks/base/packages/SystemUI/res/layo
old mode 100644
new mode 100755
index 1b67e8a..794a0c6
--- a/idh.code/frameworks/base/packages/SystemUI/res/layout/status_bar.xml
+++ b/idh.code/frameworks/base/packages/SystemUI/res/layout/status_bar.xml
@@ -95,6 +95,15 @@android:layout_width="wrap_content"android:layout_height="wrap_content"/>
+ <TextView
+ android:id="@+id/percentage"
+ android:layout_height="wrap_content"
+ android:layout_width="wrap_content"
+ android:visibility = "gone"
+ android:paddingLeft="4dip"
+ android:textSize="16sp"
+ android:textColor="@android:color/holo_blue_light"
+ /><!-- battery must be padded below by 2px to match assets --><com.android.systemui.BatteryMeterViewandroid:id="@+id/battery"
diff --git a/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/idh.code/framewo
old mode 100644
new mode 100755
index ba5c2a9..67ed407
--- a/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -548,6 +548,9 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode {// Other iconsmLocationController = new LocationController(mContext); // will post a notificationmBatteryController = new BatteryController(mContext);
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ mBatteryController.addLabelView((TextView) mStatusBarWindow.findViewById(R.id.percentage));
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/mNetworkController = new NetworkController(mContext);mBluetoothController = new BluetoothController(mContext);mRotationLockController = new RotationLockController(mContext);
diff --git a/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java b/idh.code/fra
old mode 100644
new mode 100755
index d098d3d..1c59ad1
--- a/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
+++ b/idh.code/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
@@ -25,13 +25,23 @@ import android.graphics.drawable.Drawable;import android.os.BatteryManager;import android.util.Log;import android.widget.ImageView;
-
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+import android.widget.TextView;
+import android.view.View;
+import android.provider.Settings;
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/import java.util.ArrayList;import com.android.systemui.R;public class BatteryController extends BroadcastReceiver {private static final String TAG = "StatusBar.BatteryController";
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ private boolean mShouldShowBatteryPercentage = false;
+ private String mBatteryPercentage = "100%";
+ private static final String ACTION_BATTERY_PERCENTAGE_SWITCH = "silence.intent.action.BATTERY_PERCENTAGE_SWITCH";
+ private ArrayList<TextView> mLabelViews = new ArrayList<TextView>();
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*//* SPRD: Modify 20140319 of bug 290550,rm systemui animation {@ *//*Context mContext;private ArrayList<ImageView> mIconViews = new ArrayList<ImageView>();
@@ -63,8 +73,11 @@ public class BatteryController extends BroadcastReceiver {public BatteryController(Context context) {//mContext = context;
+ mShouldShowBatteryPercentage = (Settings.Secure.getInt(context.getContentResolver(),
+ Settings.Secure.BATTERY_PERCENTAGE, 0) != 0);IntentFilter filter = new IntentFilter();filter.addAction(Intent.ACTION_BATTERY_CHANGED);
+ filter.addAction(ACTION_BATTERY_PERCENTAGE_SWITCH);context.registerReceiver(this, filter);/* SPRD: Modify 20140319 of bug 290550,rm systemui animation {@ *//*m_Anim_Charge_a = (AnimationDrawable) context.getResources().getDrawable(R.anim.stat_sys_battery_charge_anim_a);
@@ -76,7 +89,18 @@ public class BatteryController extends BroadcastReceiver {m_Anim_Charge_g = (AnimationDrawable) context.getResources().getDrawable(R.anim.stat_sys_battery_charge_anim_g);*//* @} */}
-
+
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ public void addLabelView(TextView v) {
+ mLabelViews.add(v);
+ }
+ private String getBatteryPercentage(Intent batteryChangedIntent) {
+ int level = batteryChangedIntent.getIntExtra("level", 0);
+ int scale = batteryChangedIntent.getIntExtra("scale", 100);
+ return String.valueOf(level * 100 / scale) + "%";
+ }
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/
+ public void addStateChangedCallback(BatteryStateChangeCallback cb) {mChangeCallbacks.add(cb);}
@@ -189,7 +213,34 @@ public class BatteryController extends BroadcastReceiver {}}*//* @} */
+
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ mBatteryPercentage = getBatteryPercentage(intent);
+ Log.d(TAG,"mBatteryPercentage is " + mBatteryPercentage + " mShouldShowBatteryPercentage is "
+ + mShouldShowBatteryPercentage + " mLabelViews.size() " + mLabelViews.size());
+ TextView v = mLabelViews.get(0);
+ if (mShouldShowBatteryPercentage) {
+ v.setText(mBatteryPercentage);
+ v.setVisibility(View.VISIBLE);
+ } else {
+ v.setVisibility(View.GONE);
+ }
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/
+ }
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ else if (action.equals(ACTION_BATTERY_PERCENTAGE_SWITCH)) {
+ mShouldShowBatteryPercentage = (intent.getIntExtra("state",0) == 1);
+ Log.d(TAG, " OnReceive from mediatek.intent.ACTION_BATTERY_PERCENTAGE_SWITCH mShouldShowBatteryPercentage" +
+ " is " + mShouldShowBatteryPercentage);
+ TextView v = mLabelViews.get(0);
+ if (mShouldShowBatteryPercentage) {
+ v.setText(mBatteryPercentage);
+ v.setVisibility(View.VISIBLE);
+ } else {
+ v.setVisibility(View.GONE);
+ }}
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/}// SPRD: Modify 20140319 of bug 290550,rm systemui animation
diff --git a/idh.code/packages/apps/Settings/res/values-id/strings.xml b/idh.code/packages/apps/Settings/res/values-id/strings.xml
old mode 100644
new mode 100755
index a7d5455..f024973
--- a/idh.code/packages/apps/Settings/res/values-id/strings.xml
+++ b/idh.code/packages/apps/Settings/res/values-id/strings.xml
@@ -1562,4 +1562,5 @@<string name="master_clear_level">"Kapasitas kurang dari 30%, apakah melanjutkan operasi ulang telepon?"</string><string name="factory_dialog_title">"Minta"</string><string name="wep_password_tip_text">Silakan masukan 5,13,29 karakter ASCII atau 10,26,58 karakter lain untuk otentikasi WEP.</strin
+ <string name="battery_percent">baterai Persentase</string></resources>
\ No newline at end of file
diff --git a/idh.code/packages/apps/Settings/res/values-zh-rCN/strings_ex.xml b/idh.code/packages/apps/Settings/res/values-zh-rCN/strin
old mode 100644
new mode 100755
index 0de2451..deaae77
--- a/idh.code/packages/apps/Settings/res/values-zh-rCN/strings_ex.xml
+++ b/idh.code/packages/apps/Settings/res/values-zh-rCN/strings_ex.xml
@@ -60,4 +60,5 @@<string name="close">关闭</string><string name="apn_settings_ex">SIM<xliff:g id="SIM">%s</xliff:g> 接入点名称</string>
+ <string name="battery_percent">电量百分比</string></resources>
\ No newline at end of file
diff --git a/idh.code/packages/apps/Settings/res/values-zh-rTW/strings_ex.xml b/idh.code/packages/apps/Settings/res/values-zh-rTW/strin
old mode 100644
new mode 100755
index fc853f9..60e43c5
--- a/idh.code/packages/apps/Settings/res/values-zh-rTW/strings_ex.xml
+++ b/idh.code/packages/apps/Settings/res/values-zh-rTW/strings_ex.xml
@@ -60,4 +60,5 @@<string name="close">關閉</string><string name="apn_settings_ex">SIM<xliff:g id="SIM">%s</xliff:g> 存取點名稱</string>
+ <string name="battery_percent">電量百分比</string></resources>
diff --git a/idh.code/packages/apps/Settings/res/values/strings.xml b/idh.code/packages/apps/Settings/res/values/strings.xml
old mode 100644
new mode 100755
index b2cf46f..7f6af10
--- a/idh.code/packages/apps/Settings/res/values/strings.xml
+++ b/idh.code/packages/apps/Settings/res/values/strings.xml
@@ -5206,4 +5206,7 @@<!-- SPRD: Bug #313604 UMS Settings modify sprd USB storage@{ --><string name="move_app_to_internal_sdcard" product="default" msgid="1143379049903056407">"Move to internal SD card"</string><!-- @} -->
+ <!-- SPRD: battery percentage yang liu@{ -->
+ <string name="battery_percent">Battery Percentage</string>
+ <!-- @} --></resources>
diff --git a/idh.code/packages/apps/Settings/res/xml/power_usage_summary.xml b/idh.code/packages/apps/Settings/res/xml/power_usage_summ
old mode 100644
new mode 100755
diff --git a/idh.code/packages/apps/Settings/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/idh.code/packages/apps/Setting
old mode 100644
new mode 100755
index fc65a8c..c362b3a
--- a/idh.code/packages/apps/Settings/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/idh.code/packages/apps/Settings/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -43,12 +43,20 @@ import com.android.settings.R;import java.util.List;import com.android.internal.os.PowerProfile;
+
+import android.preference.CheckBoxPreference;
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+import android.provider.Settings;
+import android.util.Log;
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*//*** Displays a list of apps and subsystems that consume power, ordered by how much power was* consumed since the last time it was unplugged.*/public class PowerUsageSummary extends PreferenceFragment {
-
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ private static final String ACTION_BATTERY_PERCENTAGE_SWITCH = "silence.intent.action.BATTERY_PERCENTAGE_SWITCH";
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/private static final boolean DEBUG = false;private static final String TAG = "PowerUsageSummary";
@@ -133,7 +141,21 @@ public class PowerUsageSummary extends PreferenceFragment {@Overridepublic boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
- if (preference instanceof BatteryHistoryPreference) {
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ if (preference instanceof CheckBoxPreference) {
+ Log.d(TAG, "click battery percentage checkbox");
+ CheckBoxPreference prf = (CheckBoxPreference) preference;
+ int state = prf.isChecked() ? 1 : 0;
+ Log.d(TAG, "state: " + state);
+ Settings.Secure.putInt(getActivity().getContentResolver(), Settings.Secure.BATTERY_PERCENTAGE, state);
+ Intent intent = new Intent(ACTION_BATTERY_PERCENTAGE_SWITCH);
+ intent.putExtra("state", state);
+ Log.d(TAG, "sendBroadcast battery percentage switch");
+ getActivity().sendBroadcast(intent);
+ return super.onPreferenceTreeClick(preferenceScreen, preference);
+ }
+/*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/
+ if (preference instanceof BatteryHistoryPreference) {Parcel hist = Parcel.obtain();mStatsHelper.getStats().writeToParcelWithoutUids(hist, 0);byte[] histData = hist.marshall();
@@ -202,7 +224,19 @@ public class PowerUsageSummary extends PreferenceFragment {private void refreshStats() {mAppListGroup.removeAll();mAppListGroup.setOrderingAsAdded(false);
-
+
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> start*/
+ CheckBoxPreference batterrPercentPrf = new CheckBoxPreference(getActivity());
+ batterrPercentPrf.setTitle(getString(R.string.battery_percent));
+ batterrPercentPrf.setOrder(-3);
+
+ final boolean enable = Settings.Secure.getInt(getActivity().getContentResolver(),
+ Settings.Secure.BATTERY_PERCENTAGE, 0) != 0;
+
+ batterrPercentPrf.setChecked(enable);
+ mAppListGroup.addPreference(batterrPercentPrf);
+ /*Yang Liu for <B5><E7><C1><BF><B0>ٷֱȹ<A6><C4><DC> end*/
+ mBatteryStatusPref.setOrder(-2);mAppListGroup.addPreference(mBatteryStatusPref);BatteryHistoryPreference hist = new BatteryHistoryPreference(这篇关于增加电量百分比功能的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
