本文實例講述了安卓Android6.0權限動態獲取操作。分享給大家供大家參考,具體如下:
眾所周知 , 安卓6.0現在運用的越來越廣泛 , 因為相對于之前的幾個版本 , 對于用戶權限這個概念確實不是很重視 , 而6.0 之后 , 為了提升用戶的操作安全性 , 運行時權限誕生了, 就是在用戶運行軟件的時候動態獲取所需要的權限 , 下面跟大家分享一個我的代碼案例 :
import android.Manifest;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.content.pm.PackageManager;import android.net.Uri;import android.provider.Settings;import android.support.v4.app.ActivityCompat;import android.support.v4.content.ContextCompat;import android.support.v7.app.AppCompatActivity;import android.view.KeyEvent;import java.util.ArrayList;import java.util.List;/** * 繼承了Activity,實現Android6.0的運行時權限檢測 * 需要進行運行時權限檢測的Activity可以繼承這個類 * * @author xingtao sun * @創建時間:2016年12月28日 * @項目名稱: 安卓6.0運行時權限 */public class CheckPermissionsActivity extends AppCompatActivity implements ActivityCompat.OnRequestPermissionsResultCallback { /** * 需要進行檢測的權限數組 這里只列舉了幾項 小伙伴可以根據自己的項目需求 來添加 */ protected String[] needPermissions = { Manifest.permission.ACCESS_COARSE_LOCATION,//定位權限 Manifest.permission.ACCESS_FINE_LOCATION,//定位權限 Manifest.permission.WRITE_EXTERNAL_STORAGE,//存儲卡寫入權限 Manifest.permission.READ_EXTERNAL_STORAGE,//存儲卡讀取權限 Manifest.permission.READ_PHONE_STATE//讀取手機狀態權限 }; private static final int PERMISSON_REQUESTCODE = 0; /** * 判斷是否需要檢測,防止不停的彈框 */ private boolean isNeedCheck = true; @Override protected void onResume() { super.onResume(); if (isNeedCheck) { checkPermissions(needPermissions); } } /** * 檢查權限 */ private void checkPermissions(String... permissions) { List<String> needRequestPermissonList = findDeniedPermissions(permissions); if (null != needRequestPermissonList && needRequestPermissonList.size() > 0) { ActivityCompat.requestPermissions(this, needRequestPermissonList.toArray( new String[needRequestPermissonList.size()]), PERMISSON_REQUESTCODE); } } /** * 獲取權限集中需要申請權限的列表 * * @param permissions * @return * @since 2.5.0 */ private List<String> findDeniedPermissions(String[] permissions) { List<String> needRequestPermissonList = new ArrayList<String>(); for (String perm : permissions) { if (ContextCompat.checkSelfPermission(this, perm) != PackageManager.PERMISSION_GRANTED || ActivityCompat.shouldShowRequestPermissionRationale( this, perm)) { needRequestPermissonList.add(perm); } } return needRequestPermissonList; } /** * 檢測是否有的權限都已經授權 * * @param grantResults */ private boolean verifyPermissions(int[] grantResults) { for (int result : grantResults) { if (result != PackageManager.PERMISSION_GRANTED) { return false; } } return true; } @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] paramArrayOfInt) { if (requestCode == PERMISSON_REQUESTCODE) { if (!verifyPermissions(paramArrayOfInt)) { showMissingPermissionDialog(); isNeedCheck = false; } } } /** * 彈出對話框, 提示用戶手動授權 * */ private void showMissingPermissionDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(R.string.notifyTitle); builder.setMessage(R.string.notifyMsg); // 拒絕授權 退出應用 builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }); //同意授權 builder.setPositiveButton(R.string.setting, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startAppSettings(); } }); builder.setCancelable(false); builder.show();}/** * 啟動應用的設置 * */private void startAppSettings() { Intent intent = new Intent( Settings.ACTION_APPLICATION_DETAILS_SETTINGS); intent.setData(Uri.parse("package:" + getPackageName())); startActivity(intent);}@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { this.finish(); return true; } return super.onKeyDown(keyCode, event);}string資源
<resources> <string name="app_name">My Library</string> <string name="notifyTitle">提示</string> <string name="notifyMsg">當前應用缺少必要權限。/n/n請點擊/"設置/"-/"權限/"-打開所需權限。</string> <string name="setting">設置</string> <string name="cancel">取消</string></resources>
送上效果圖

希望本文所述對大家Android程序設計有所幫助。
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