Android獲取運行時權限 是參考鴻洋的來做的
先引入依賴文件
- 在project的目錄build.gradel文件中添加,注意這裏是project中的build.gradle
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.1'
classpath 'com.neenbedankt.gradle.plugins:android-apt:1.4' //這裏是我添加的依賴
}
}
allprojects {
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
- 在module目錄中的build.gradle添加依賴
apply plugin: 'com.android.application'
apply plugin: 'com.neenbedankt.android-apt' //這是新添加的
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.bgood.live"
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
sourceSets{
main{
jniLibs.srcDirs=['libs']
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
testCompile 'junit:junit:4.12'
apt 'com.zhy:mpermission-compiler:1.0.0' //這是新添加的
compile 'com.zhy:mpermission-api:1.0.0' //這是新添加的.
}
實現獲取權限的操作。
package com.bgood.live;
import android.Manifest;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;
import com.zhy.m.permission.MPermissions;
import com.zhy.m.permission.PermissionDenied;
import com.zhy.m.permission.PermissionGrant;
/**
* Created by liuzenglong on 2017/5/2.
*/
public class PermissionsActivity extends AppCompatActivity {
private static final int REQUEST_CODE_SDCARD = 100;
private static final int REQUEST_CODE_LIVE= 101;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_permission);
findViewById(R.id.btn_check).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MPermissions.requestPermissions(PermissionsActivity.this,REQUEST_CODE_SDCARD, Manifest.permission.WRITE_EXTERNAL_STORAGE);
}
});
findViewById(R.id.btn_more).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MPermissions.requestPermissions(PermissionsActivity.this,REQUEST_CODE_LIVE, new String[]{Manifest.permission.CAMERA,Manifest.permission.RECORD_AUDIO});
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
MPermissions.onRequestPermissionsResult(this,requestCode,permissions,grantResults);
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
@PermissionGrant(REQUEST_CODE_SDCARD)
public void requestSdcardSuccess()
{
Toast.makeText(this, "GRANT ACCESS SDCARD!", Toast.LENGTH_SHORT).show();
}
@PermissionDenied(REQUEST_CODE_SDCARD)
public void requestSdcardFailed()
{
Toast.makeText(this, "DENY ACCESS SDCARD!", Toast.LENGTH_SHORT).show();
}
@PermissionGrant(REQUEST_CODE_LIVE)
public void requestLiveSuccess()
{
Toast.makeText(this, "GRANT ACCESS LIVE!", Toast.LENGTH_SHORT).show();
}
@PermissionDenied(REQUEST_CODE_LIVE)
public void requestLiveFailed()
{
Toast.makeText(this, "DENY ACCESS LIVE!", Toast.LENGTH_SHORT).show();
}
}
其中:
MPermissions.requestPermissions方法有三個參數,
1. 第一個參數可以是Activity,Fragment.
2. 第二個參數是對應的請求碼,後面回調回來需要用來識別具體操作
3. 第三個參數對應的是權限字符串,可以是單個權限,也可以是多個權限(多個權限需要用數組來表示)onRequestPermissionsResult
這個方法對於所有的請求獲取權限都是一樣的,所以可以放到基類中。註解PermissionDenied和PermissionGrant
分別註解成功或者失敗的獲取權限操作,獲取就可以無障礙操作了。根據請求碼的不同來區別多個方法
最後需要注意的是:
上面這個動態獲取權限只是針對api是23以上的版本操作,因爲還需要兼容版本23以下的,所以需要在註冊清單中添加需要的權限,做到版本兼容.