Tags: cat usage inf Deb CPU sequence and Pac AdeAdb:android Debug Bridge is a powerful tool in the Android SDK that allows you to operate an Android emulator or real-world device directly. Detection app:adb shell am start-w $package/. MainactivityStart timeadb shell Dumpsys meminfo $pidSpecify program Memory usageadb shell Dumpsys meminfo $package Specify program Memory usageadb shell Dumpsys cpuinfo $packa
Android Battery status monitoring
If you want to monitor changes in the battery status, you need to dynamically register: android. intent. action. BATTERY_CHANGED: After receiving the Action, you can obtain the information you need based on the corresponding Key. For more information, see the BatteryChangedReceiver cla
action_battery_low---"); else if (Action.equalsignorecase (Intent.action_battery_okay)) {//indicates that the current battery has been restored from low battery to normal System.out. println ("
Batterychangedreceiver action_battery_okay---"); }
}
}
}
Get apk and version information
private int Getvercode (context context) {
int vercode =-1;
try {
Ver
is a Java bytecode file generated after Java source code compilation. Dex is the full name of Dalvik VM executes, that is, the android Dalvik execution program, not the Java me bytecode but the Dalvik bytecode.• Resources. ARSCThe compiled binary resource file.• META-INF catalogThe META-INF directory stores signature information to ensure the integrity of the APK package and system security. When eclipse c
The Android SDK contains a new tool zipalign for optimizing apk. It improves the efficiency of the optimized applications with the Android system (saying: "Get rich first, build a road", and the Android team has a new highway between applications and Android) Thus can make t
Dalvik's target platform is a small ram such as Android, low-speed flash memory, and a device running standard Linux systems. To achieve better performance of such a platform, we need to consider the following points:1. To reduce system memory usage, bytecode can be shared among multiple processes. For security reasons, such bytecode cannot be edited.2. To ensure the response speed, loading a new app takes as little time as possible.3. Storing multipl
this but it did not solve my problem.
Later, I thought it was probably because the cache space was full. So I pulled the battery and restarted the phone and installed it again. The problem persists.
The last move is to the android Recovery Mode. Generally, android phones can press the power key and the home key at the same time.
There will be a warning screen (a
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