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PermissionDialog:對話框界面,繼承AlertDialogjava
注意事項:android
一、 導入類文件後須要change包名以及從新import R文件路徑git
二、 Values目錄下的文件(strings.xml、dimens.xml、colors.xml等),若是項目中存在,則複製裏面的內容,不要整個覆蓋github
package com.why.project.permissiondialog.dialog; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.graphics.Color; import android.graphics.ColorMatrixColorFilter; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.util.DisplayMetrics; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ScrollView; import android.widget.TextView; import com.why.project.permissiondialog.R; /** * Created by HaiyuKing * Used 權限申請對話框 */ public class PermissionDialog extends AlertDialog { //上下文 private Context mContext; //內容的父節點,用於內容較多時能夠滾動 private ScrollView mListScroll; //內容 private LinearLayout mListLayout; //確認按鈕 private TextView mConfirmBtn; public PermissionDialog(Context context) { //設置對話框樣式 super(context, R.style.style_permission_dialog); //設置爲false,按對話框之外的地方不起做用 setCanceledOnTouchOutside(false); //設置爲false,按返回鍵不能退出 setCancelable(false); this.mContext = context; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.permission_dialog_layout); initViews(); initDatas(); initEvents(); } /**初始化view*/ private void initViews() { mListScroll = findViewById(R.id.permission_dialog_list_scroll); mListLayout = findViewById(R.id.layout_list); mConfirmBtn = findViewById(R.id.dialog_confirm_btn); } /**初始化數據*/ private void initDatas() { //獲取圖標的顏色值 int mFilterColor = ContextCompat.getColor(mContext,R.color.permission_dialog_img_color); int blue = Color.blue(mFilterColor); int green = Color.green(mFilterColor); int red = Color.red(mFilterColor); float[] cm = new float[]{ 1, 0, 0, 0, red,// 紅色值 0, 1, 0, 0, green,// 綠色值 0, 0, 1, 0, blue,// 藍色值 0, 0, 0, 1, 1 // 透明度 }; ColorMatrixColorFilter filter = new ColorMatrixColorFilter(cm); //初始化權限列表區域 int[] permissionImgIds = mContext.getResources().getIntArray(R.array.permission_icon); String[] permissionTitles = mContext.getResources().getStringArray(R.array.permission_title); String[] permissionInfos = mContext.getResources().getStringArray(R.array.permission_info); for(int i = 0; i < permissionImgIds.length; i++){ String title = permissionTitles[i]; String info = permissionInfos[i]; View itemView = View.inflate(mContext,R.layout.permission_list_item,null); ((ImageView)itemView.findViewById(R.id.item_img)).setImageResource(mContext.getResources().obtainTypedArray(R.array.permission_icon).getResourceId(i, 0)); ((ImageView)itemView.findViewById(R.id.item_img)).setColorFilter(filter);//設置圖標的顏色 ((TextView)itemView.findViewById(R.id.item_title)).setText(title); ((TextView)itemView.findViewById(R.id.item_info)).setText(info); mListLayout.addView(itemView); } //設置內容區域的父節點的高度和內容文本大小 final DisplayMetrics display = new DisplayMetrics(); ((Activity)this.mContext).getWindowManager().getDefaultDisplay().getMetrics(display); final int screenHeight = display.heightPixels; //先設置寬度,而後再調整高度 mListScroll.setLayoutParams(new LinearLayout.LayoutParams(display.widthPixels - mContext.getResources().getDimensionPixelOffset(R.dimen.permission_dialog_margin) * 2, ViewGroup.LayoutParams.WRAP_CONTENT)); //runnable中的方法會在View的measure、layout等事件後觸發 mListScroll.post(new Runnable() { @Override public void run() { if (mListScroll.getMeasuredHeight() > screenHeight / 2) { mListScroll.setLayoutParams(new LinearLayout.LayoutParams(display.widthPixels - mContext.getResources().getDimensionPixelOffset(R.dimen.permission_dialog_margin) * 2, screenHeight / 2)); }else{ //屏幕寬度減去外邊距*2 mListScroll.setLayoutParams(new LinearLayout.LayoutParams(display.widthPixels - mContext.getResources().getDimensionPixelOffset(R.dimen.permission_dialog_margin) * 2, ViewGroup.LayoutParams.WRAP_CONTENT)); } } }); } /**初始化監聽事件*/ private void initEvents() { mConfirmBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if(mOnCertainButtonClickListener != null){ mOnCertainButtonClickListener.onCertainButtonClick(); } dismiss(); } }); } @Override public void dismiss() { super.dismiss(); } public static abstract interface OnCertainButtonClickListener { //確認按鈕的點擊事件接口 public abstract void onCertainButtonClick(); } private OnCertainButtonClickListener mOnCertainButtonClickListener; public void setOnCertainButtonClickListener(OnCertainButtonClickListener mOnCertainButtonClickListener) { this.mOnCertainButtonClickListener = mOnCertainButtonClickListener; } }
<?xml version="1.0" encoding="utf-8"?> <resources> <!-- 權限圖標【可根據實際狀況修改】 --> <integer-array name="permission_icon"> <item>@drawable/permission_ic_storage</item> <item>@drawable/permission_ic_camera</item> <item>@drawable/permission_ic_location</item> <item>@drawable/permission_ic_phone</item> <item>@drawable/permission_ic_micro_phone</item> <item>@drawable/permission_ic_calendar</item> <item>@drawable/permission_ic_contacts</item> <item>@drawable/permission_ic_sms</item> <item>@drawable/permission_ic_sensors</item> </integer-array> <!-- 權限標題【可根據實際狀況修改】 --> <string-array name="permission_title"> <item>文件存儲</item> <item>相機相冊</item> <item>位置信息</item> <item>電話狀態</item> <item>錄製聲音</item> <item>日程信息</item> <item>通信錄</item> <item>短信信息</item> <item>傳感器</item> </string-array> <!-- 權限說明(這裏應該是根據項目的實際狀況,簡要說明下該權限主要用於什麼場景或者功能)【可根據實際狀況修改】 --> <string-array name="permission_info"> <item>容許應用讀取、寫入外部存儲</item> <item>容許應用訪問攝像頭進行拍照</item> <item>容許應用獲取定位信息</item> <item>容許應用訪問電話狀態</item> <item>容許應用經過手機或耳機的麥克錄製聲音</item> <item>容許應用讀取用戶的日程信息</item> <item>容許應用訪問聯繫人通信錄信息</item> <item>容許應用獲取短信信息</item> <item>容許應用獲取傳感器信息</item> </string-array> </resources>
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#008577</color> <color name="colorPrimaryDark">#00574B</color> <color name="colorAccent">#D81B60</color> <!-- ==================權限申請對話框(alertdialog)================== --> <!-- 對話框的填充顏色 --> <color name="permission_dialog_solid_color">#ffffffff</color> <!-- 對話框的標題顏色 --> <color name="permission_dialog_title_color">#000000</color> <!-- 對話框的描述顏色 --> <color name="permission_dialog_message_color">#87000000</color> <!-- 對話框的圖標顏色【可根據實際狀況修改】 --> <color name="permission_dialog_img_color">#000000</color> <!-- 對話框的按鈕背景顏色【可根據實際狀況修改】 --> <color name="permission_dialog_btn_bg_color">#07b4a2</color> <!-- 對話框的按鈕文字顏色 --> <color name="permission_dialog_btn_text_color">#FFFFFF</color> </resources>
<resources> <!-- Default screen margins, per the Android Design guidelines. --> <dimen name="activity_horizontal_margin">16dp</dimen> <dimen name="activity_vertical_margin">16dp</dimen> <!-- ==================權限申請對話框(alertdialog)================== --> <!-- 對話框的圓角角度 --> <dimen name="permission_dialog_corners">8dp</dimen> <!-- 對話框的總體外邊距 --> <dimen name="permission_dialog_margin">30dp</dimen> <!-- 對話框的標題內邊距 --> <dimen name="permission_dialog_title_padding">15dp</dimen> <!-- 對話框的標題文本大小 --> <dimen name="permission_dialog_title_text_size">22sp</dimen> <!-- 對話框的描述文本大小 --> <dimen name="permission_dialog_message_text_size">16sp</dimen> <!-- 對話框的按鈕內邊距 --> <dimen name="permission_dialog_btn_padding">8dp</dimen> <!-- 對話框的按鈕大小 --> <dimen name="permission_dialog_btn_text_size">16sp</dimen> </resources>
<resources> <string name="app_name">PermissionDialog</string> <!-- ==================權限申請對話框(alertdialog)================== --> <string name="permission_dialog_title">權限申請</string> <string name="permission_dialog_message">爲了您能正常使用,須要如下權限</string> </resources>
<resources> <!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style> <!-- ==================權限申請對話框(alertdialog)================== --> <style name="style_permission_dialog"> <!-- Dialog的windowFrame框爲無 --> <item name="android:windowFrame">@null</item> <!-- 是否顯示title --> <item name="android:windowNoTitle">false</item> <!-- 是否浮如今activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 半透明 --> <item name="android:windowIsTranslucent">true</item> <!-- 設置dialog的背景:#00000000透明色 --> <item name="android:windowBackground">@android:color/transparent</item> <!-- 背景變灰:整個屏幕變灰,配合setCanceledOnTouchOutside(false) --> <item name="android:backgroundDimEnabled">true</item> </style> </resources>
在代碼中調用以下:數組
package com.why.project.permissiondialog; import android.os.Build; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import com.why.project.permissiondialog.dialog.PermissionDialog; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); findViewById(R.id.btn_showdialog).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { boolean hasShow = PreferencesUtils.getBoolean(MainActivity.this,PreferencesUtils.HAS_SHOW_PREMISSION_DIALOG,false); if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && ! hasShow){ PermissionDialog permissionDialog = new PermissionDialog(MainActivity.this); permissionDialog.setOnCertainButtonClickListener(new PermissionDialog.OnCertainButtonClickListener() { @Override public void onCertainButtonClick() { //搭配SharedPreferences 將狀態值記錄下來,實現APP首次打開的時候纔會彈出這個對話框 PreferencesUtils.putBoolean(MainActivity.this,PreferencesUtils.HAS_SHOW_PREMISSION_DIALOG,true); //調用運行時權限申請框架 } }); permissionDialog.show(); }else{ //調用運行時權限申請框架 } } }); } }
注意:app
實際項目中,須要手動調整arrays.xml文件中的權限數組個數,不顯示的註釋掉,保證三個數組的一一對應;框架
根據項目的主題顏色,調整colors.xml文件中的圖標、按鈕的背景顏色值;ide
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Android-使用 SetColorFilter 神奇地改變圖片的顏色