說明

? ? ? ? 不讓應用持有wakelock鎖，主要是注釋掉請求鎖和釋放鎖

實現

主要是在WakeLock的acquireLocked和release方法中注釋掉請求和釋放鎖功能

diff --git a/frameworks/base/core/java/android/os/PowerManager.java b/frameworks/base/core/java/android/os/PowerManager.java index 87b856d..4d077cf 100644 --- a/frameworks/base/core/java/android/os/PowerManager.java +++ b/frameworks/base/core/java/android/os/PowerManager.java @@ -1522,12 +1522,12 @@ public final class PowerManager {// been explicitly released by the keyguard.mHandler.removeCallbacks(mReleaser);Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, mTraceName, 0); - try { + /**try {mService.acquireWakeLock(mToken, mFlags, mTag, mPackageName, mWorkSource,mHistoryTag);} catch (RemoteException e) {throw e.rethrowFromSystemServer(); - } + }*/mHeld = true;}} @@ -1570,11 +1570,11 @@ public final class PowerManager {mHandler.removeCallbacks(mReleaser);if (mHeld) {Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0); - try { + /** try {mService.releaseWakeLock(mToken, flags);} catch (RemoteException e) {throw e.rethrowFromSystemServer(); - } + }*/mHeld = false;}}

總結

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