【Android】通用系列 —— 对话框
【关键词】
通用系列 对话框 Dialog
【问题】
- 打造一个通用的对话框；
【效果图】
【分析】
- 使用通用Adapter的类似思想；
【解决方案】
【代码】
使用方法
private void showInputPasswordDialog() {LouDialog.getInstance(mContext,R.layout.dialog_input_password,R.style.dialog_theme).setCancelable(false).setDimAmount(0.3f).setWindowAnimations(R.style.dialog_anim).putClickListenerToViewArray(new DialogClickListener() {@Overridepublic void click(View v) {switch(v.getId()){case R.id.tv_dialog_ok:break;case R.id.tv_dialog_cancel:break;}}}, R.id.tv_dialog_ok, R.id.tv_dialog_cancel).show();}
<!-- 对话框主题 --><style name="dialog_theme" parent="@android:Theme.Holo.Light.Dialog"><item name="android:windowNoTitle">true</item><item name="android:windowBackground">@drawable/dialog_bg_shape</item><item name="android:windowIsFloating">true</item><item name="android:textColor">@color/main_font</item><item name="android:backgroundDimEnabled">false</item></style><!-- 对话框进入和退出动画 --><style name="dialog_anim" parent="android:Animation"><item name="android:windowEnterAnimation">@anim/in_slide_right</item><item name="android:windowExitAnimation">@anim/out_slide_right</item></style>
import android.app.Dialog;import android.content.Context;import android.graphics.Bitmap;import android.graphics.drawable.Drawable;import android.util.SparseArray;import android.view.MotionEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnTouchListener;import android.view.Window;import android.view.WindowManager;import android.widget.ImageView;import android.widget.TextView;public class LouDialog {private SparseArray<View> mViews;private Dialog mDialog;public interface DialogClickListener {public void click(View v);}private LouDialog(Context context, int layoutId, int themeId) {mDialog = new Dialog(context, themeId);mDialog.setContentView(layoutId);mViews = new SparseArray<View>();}/**** @param context* @param layoutId* @param themeId* 如果使用默认主题，输入0即可；* @return*/public static LouDialog getInstance(Context context, int layoutId, int themeId) {return new LouDialog(context, layoutId, themeId);}public LouDialog setDimAmount(float amount) {if (mDialog != null) {mDialog.getWindow().setDimAmount(amount);}return this;}public LouDialog setCancelable(boolean able) {if (mDialog != null) {mDialog.setCancelable(able);}return this;}/*** 设置弹框位置以及弹框透明度；** @param gravity* @param x 单位：px；* @param y 单位：px；* @return*/public LouDialog setPositionAndAlpha(int gravity, int x, int y, float alpha) {if (mDialog != null) {Window window = mDialog.getWindow();window.setGravity(gravity);WindowManager.LayoutParams lp = window.getAttributes();lp.x = x;lp.y = y;lp.alpha = alpha;window.setAttributes(lp);}return this;}/*** 设置进入和退出动画；* @param styleId* @return*/public LouDialog setWindowAnimations(int styleId){if (mDialog != null) {mDialog.getWindow().setWindowAnimations(styleId);;}return this;}/*** 显示对话框*/public void show() {if (!isShowing()) {mDialog.show();}}public Dialog getDialog() {return mDialog;}/*** 判断是否正在显示** @return*/public boolean isShowing() {boolean isShowing = false;if (mDialog != null && mDialog.isShowing()) {isShowing = true;}return isShowing;}/*** 隐藏对话框*/public void dismiss() {if (mDialog != null && mDialog.isShowing()) {mDialog.dismiss();}}/*** 获取具体的某个视图；** @param viewId* @return*/@SuppressWarnings("unchecked")public <T extends View> T getView(int viewId) {View view = mViews.get(viewId);if (view == null) {view = mDialog.findViewById(viewId);mViews.put(viewId, view);}return (T) view;}public LouDialog putText(int viewId, String text) {View v = getView(viewId);if (v instanceof TextView) {((TextView) v).setText(text);}return this;}public LouDialog putImg(int viewId, int resId) {View v = getView(viewId);if (v instanceof ImageView) {((ImageView) v).setImageResource(resId);}return this;}public LouDialog putImg(int viewId, Bitmap bitmap) {View v = getView(viewId);if (v instanceof ImageView) {((ImageView) v).setImageBitmap(bitmap);}return this;}public LouDialog putImg(int viewId, Drawable drawable) {View v = getView(viewId);if (v instanceof ImageView) {((ImageView) v).setImageDrawable(drawable);}return this;}/*** 添加点击事件；** @param viewId* @param listener* @param hideAfterClick* @return*/public LouDialog putClickListener(final int viewId, final DialogClickListener listener,final boolean hideAfterClick) {View v = getView(viewId);clickEffectWithBgByAlpha(new OnClickListener() {@Overridepublic void onClick(View v) {listener.click(v);if (hideAfterClick) {dismiss();}}}, v);return this;}/*** 默认点击后隐藏对话框；** @param viewId* @param listener* @return*/public LouDialog putClickListener(final int viewId, final DialogClickListener listener) {return putClickListener(viewId, listener, true);}public LouDialog putClickListenerToViewArray(final DialogClickListener listener, int ...viewIds) {for(int viewId: viewIds){putClickListener(viewId, listener, true);}return this;}// --------------------工具类private static void clickEffectWithBgByAlpha(OnClickListener clickListener, View... views) {if (clickListener == null) {return;}// 逐个处理每个viewfor (final View v : views) {if (v == null) {continue;}// 设置监听v.setOnClickListener(clickListener);// 根据背景是否为空，来处理点击后的效果：不为空则设置透明，为空则设置默认颜色；final boolean bgIsNull = v.getBackground() == null;// 设置触摸效果v.setOnTouchListener(new OnTouchListener() {@Overridepublic boolean onTouch(View view, MotionEvent motionEvent) {switch (motionEvent.getAction()) {case MotionEvent.ACTION_DOWN:doDown(view, bgIsNull);break;case MotionEvent.ACTION_MOVE:break;case MotionEvent.ACTION_CANCEL:doReset(view, bgIsNull);break;case MotionEvent.ACTION_UP:doReset(view, bgIsNull);break;}return false;}// 按下时private void doDown(View view, boolean bgIsNull) {view.animate().cancel();view.setAlpha(0.4f);if (bgIsNull) {view.setBackgroundColor(0x88ffffff);} else {view.getBackground().setAlpha(202);}}// 恢复视图private void doReset(View view, boolean bgIsNull) {view.animate().alpha(1f).setDuration(100).start();if (bgIsNull) {view.setBackground(null);} else {view.getBackground().setAlpha(255);}}});}}// ~~~~~~~~~~~~~~}