dushicai's blog

Posted 2024-03-09Updated 2024-03-15OS / Ubuntua minute read (About 123 words)

用命令lsb查看当前android设备usb属性

$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 078: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 002 Device 003: ID 8087:07dc Intel Corp. 
Bus 002 Device 002: ID 5986:0652 Acer, Inc 
Bus 002 Device 081: ID 22b8:2e81 Motorola PCS 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

修改/etc/udev/rules.d/51-android.rules

1 2	$ sudo vi /etc/udev/rules.d/51-android.rules SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", ATTR{idProduct}=="2e81", MODE="0666", GROUP="plugdev"

重新加载udev rule

1	sudo udevadm control --reload-rules

查看设备

1	adb devices

Posted 2024-03-09Updated 2024-03-15OS / Androida few seconds read (About 105 words)

升级android app sdk

安装apk时出现：“此应用专为旧版Android打造，因此可能无法正常运行”

弹窗代码:AppWarnings.java

public void showDeprecatedTargetDialogIfNeeded(ActivityRecord r) {
    if (r.appInfo.targetSdkVersion < Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT) {
        mUiHandler.showDeprecatedTargetDialog(r);
    }
}

Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT值：

1 2	public static final int MIN_SUPPORTED_TARGET_SDK_INT = SystemProperties.getInt( "ro.build.version.min_supported_target_sdk", 0);

adb shell获取属性值:

1	getprop ro.build.version.min_supported_target_sdk

修改build.gradle: buildToolsVersion

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